diff --git a/9.2/alpine/docker-entrypoint.sh b/9.2/alpine/docker-entrypoint.sh
index 2c87e77fb1..e2a6cfd384 100755
--- a/9.2/alpine/docker-entrypoint.sh
+++ b/9.2/alpine/docker-entrypoint.sh
@@ -41,6 +41,18 @@ if [ "$1" = 'postgres' ]; then
 		file_env 'POSTGRES_INITDB_ARGS'
 		eval "su-exec postgres initdb $POSTGRES_INITDB_ARGS"
 
+		authMethod=trust
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_PASSWORD" ]; then
+					authMethod=md5
+				fi
+			done
+		fi
+
 		# check password first so we can output the warning before postgres
 		# messes it up
 		file_env 'POSTGRES_PASSWORD'
@@ -48,7 +60,10 @@ if [ "$1" = 'postgres' ]; then
 			pass="PASSWORD '$POSTGRES_PASSWORD'"
 			authMethod=md5
 		else
-			# The - option suppresses leading tabs but *not* spaces. :)
+			pass=
+		fi
+
+		if [ "$authMethod" == "trust" ]; then
 			cat >&2 <<-'EOWARN'
 				****************************************************
 				WARNING: No password has been set for the database.
@@ -62,9 +77,6 @@ if [ "$1" = 'postgres' ]; then
 				         it in "docker run".
 				****************************************************
 			EOWARN
-
-			pass=
-			authMethod=trust
 		fi
 
 		{ echo; echo "host all all all $authMethod"; } | su-exec postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
@@ -99,6 +111,63 @@ if [ "$1" = 'postgres' ]; then
 
 		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
 
+		# If you want to create more than one user, please use that variable
+		# Variable example: POSTGRES_USERS="user1:user1pass|user2:user2pass|user3:user3password"
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_NAME=`echo $USER | cut -d: -f1`
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_NAME" = 'postgres' ]; then
+					op='ALTER'
+				else
+					op='CREATE'
+				fi
+				"${psql[@]}" --username postgres <<-EOSQL
+					$op USER "$USER_NAME" WITH SUPERUSER PASSWORD '$USER_PASSWORD' ;
+				EOSQL
+			done
+		fi
+
+		# If you want to create more than one database, please use that variable
+		# Variable example: POSTGRES_DATABASES="database1:user1|database2:user2|database3:user3"
+		if [ "$POSTGRES_DATABASES" ]; then
+			DATABASES_ARR=$(echo $POSTGRES_DATABASES | tr "|" "\n")
+			for DATABASE in $DATABASES_ARR
+			do
+				DATABASE_NAME=`echo $DATABASE | cut -d: -f1`
+				DATABASE_OWNER=`echo $DATABASE | cut -d: -f2`
+				if [ "$DATABASE_NAME" != 'postgres' ]; then
+					if [ "$DATABASE_OWNER" ]; then
+						"${psql[@]}" --username postgres <<-EOSQL
+						CREATE DATABASE "$DATABASE_NAME" owner "$DATABASE_OWNER" ;
+						EOSQL
+						echo
+					else
+						"${psql[@]}" --username postgres <<-EOSQL
+							CREATE DATABASE "$DATABASE_NAME" ;
+						EOSQL
+						echo
+					fi
+				fi
+			done
+		fi
+
+		# If you want to set up initial postgresql.conf parameters, please use that variable
+		# Variable example: POSTGRES_CONFIGS="work_mem:15MB|fsync:off|full_page_writes:off"
+		if [ "$POSTGRES_CONFIGS" ]; then
+			CONFIGS_ARR=$(echo $POSTGRES_CONFIGS | tr "|" "\n")
+			for CONFIG in $CONFIGS_ARR
+			do
+				CONFIG_NAME=`echo $CONFIG | cut -d: -f1`
+				CONFIG_VALUE=`echo $CONFIG | cut -d: -f2`
+				"${psql[@]}" --username postgres <<-EOSQL
+					ALTER SYSTEM SET $CONFIG_NAME = "$CONFIG_VALUE" ;
+				EOSQL
+			done
+		fi
+
 		echo
 		for f in /docker-entrypoint-initdb.d/*; do
 			case "$f" in
diff --git a/9.2/docker-entrypoint.sh b/9.2/docker-entrypoint.sh
index 54a1098f7a..d7a78cbbb9 100755
--- a/9.2/docker-entrypoint.sh
+++ b/9.2/docker-entrypoint.sh
@@ -41,6 +41,18 @@ if [ "$1" = 'postgres' ]; then
 		file_env 'POSTGRES_INITDB_ARGS'
 		eval "gosu postgres initdb $POSTGRES_INITDB_ARGS"
 
+		authMethod=trust
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_PASSWORD" ]; then
+					authMethod=md5
+				fi
+			done
+		fi
+
 		# check password first so we can output the warning before postgres
 		# messes it up
 		file_env 'POSTGRES_PASSWORD'
@@ -48,7 +60,10 @@ if [ "$1" = 'postgres' ]; then
 			pass="PASSWORD '$POSTGRES_PASSWORD'"
 			authMethod=md5
 		else
-			# The - option suppresses leading tabs but *not* spaces. :)
+			pass=
+		fi
+
+		if [ "$authMethod" == "trust" ]; then
 			cat >&2 <<-'EOWARN'
 				****************************************************
 				WARNING: No password has been set for the database.
@@ -62,9 +77,6 @@ if [ "$1" = 'postgres' ]; then
 				         it in "docker run".
 				****************************************************
 			EOWARN
-
-			pass=
-			authMethod=trust
 		fi
 
 		{ echo; echo "host all all all $authMethod"; } | gosu postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
@@ -99,6 +111,63 @@ if [ "$1" = 'postgres' ]; then
 
 		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
 
+		# If you want to create more than one user, please use that variable
+		# Variable example: POSTGRES_USERS="user1:user1pass|user2:user2pass|user3:user3password"
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_NAME=`echo $USER | cut -d: -f1`
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_NAME" = 'postgres' ]; then
+					op='ALTER'
+				else
+					op='CREATE'
+				fi
+				"${psql[@]}" --username postgres <<-EOSQL
+					$op USER "$USER_NAME" WITH SUPERUSER PASSWORD '$USER_PASSWORD' ;
+				EOSQL
+			done
+		fi
+
+		# If you want to create more than one database, please use that variable
+		# Variable example: POSTGRES_DATABASES="database1:user1|database2:user2|database3:user3"
+		if [ "$POSTGRES_DATABASES" ]; then
+			DATABASES_ARR=$(echo $POSTGRES_DATABASES | tr "|" "\n")
+			for DATABASE in $DATABASES_ARR
+			do
+				DATABASE_NAME=`echo $DATABASE | cut -d: -f1`
+				DATABASE_OWNER=`echo $DATABASE | cut -d: -f2`
+				if [ "$DATABASE_NAME" != 'postgres' ]; then
+					if [ "$DATABASE_OWNER" ]; then
+						"${psql[@]}" --username postgres <<-EOSQL
+						CREATE DATABASE "$DATABASE_NAME" owner "$DATABASE_OWNER" ;
+						EOSQL
+						echo
+					else
+						"${psql[@]}" --username postgres <<-EOSQL
+							CREATE DATABASE "$DATABASE_NAME" ;
+						EOSQL
+						echo
+					fi
+				fi
+			done
+		fi
+
+		# If you want to set up initial postgresql.conf parameters, please use that variable
+		# Variable example: POSTGRES_CONFIGS="work_mem:15MB|fsync:off|full_page_writes:off"
+		if [ "$POSTGRES_CONFIGS" ]; then
+			CONFIGS_ARR=$(echo $POSTGRES_CONFIGS | tr "|" "\n")
+			for CONFIG in $CONFIGS_ARR
+			do
+				CONFIG_NAME=`echo $CONFIG | cut -d: -f1`
+				CONFIG_VALUE=`echo $CONFIG | cut -d: -f2`
+				"${psql[@]}" --username postgres <<-EOSQL
+					ALTER SYSTEM SET $CONFIG_NAME = "$CONFIG_VALUE" ;
+				EOSQL
+			done
+		fi
+
 		echo
 		for f in /docker-entrypoint-initdb.d/*; do
 			case "$f" in
diff --git a/9.3/alpine/docker-entrypoint.sh b/9.3/alpine/docker-entrypoint.sh
index 2c87e77fb1..e2a6cfd384 100755
--- a/9.3/alpine/docker-entrypoint.sh
+++ b/9.3/alpine/docker-entrypoint.sh
@@ -41,6 +41,18 @@ if [ "$1" = 'postgres' ]; then
 		file_env 'POSTGRES_INITDB_ARGS'
 		eval "su-exec postgres initdb $POSTGRES_INITDB_ARGS"
 
+		authMethod=trust
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_PASSWORD" ]; then
+					authMethod=md5
+				fi
+			done
+		fi
+
 		# check password first so we can output the warning before postgres
 		# messes it up
 		file_env 'POSTGRES_PASSWORD'
@@ -48,7 +60,10 @@ if [ "$1" = 'postgres' ]; then
 			pass="PASSWORD '$POSTGRES_PASSWORD'"
 			authMethod=md5
 		else
-			# The - option suppresses leading tabs but *not* spaces. :)
+			pass=
+		fi
+
+		if [ "$authMethod" == "trust" ]; then
 			cat >&2 <<-'EOWARN'
 				****************************************************
 				WARNING: No password has been set for the database.
@@ -62,9 +77,6 @@ if [ "$1" = 'postgres' ]; then
 				         it in "docker run".
 				****************************************************
 			EOWARN
-
-			pass=
-			authMethod=trust
 		fi
 
 		{ echo; echo "host all all all $authMethod"; } | su-exec postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
@@ -99,6 +111,63 @@ if [ "$1" = 'postgres' ]; then
 
 		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
 
+		# If you want to create more than one user, please use that variable
+		# Variable example: POSTGRES_USERS="user1:user1pass|user2:user2pass|user3:user3password"
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_NAME=`echo $USER | cut -d: -f1`
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_NAME" = 'postgres' ]; then
+					op='ALTER'
+				else
+					op='CREATE'
+				fi
+				"${psql[@]}" --username postgres <<-EOSQL
+					$op USER "$USER_NAME" WITH SUPERUSER PASSWORD '$USER_PASSWORD' ;
+				EOSQL
+			done
+		fi
+
+		# If you want to create more than one database, please use that variable
+		# Variable example: POSTGRES_DATABASES="database1:user1|database2:user2|database3:user3"
+		if [ "$POSTGRES_DATABASES" ]; then
+			DATABASES_ARR=$(echo $POSTGRES_DATABASES | tr "|" "\n")
+			for DATABASE in $DATABASES_ARR
+			do
+				DATABASE_NAME=`echo $DATABASE | cut -d: -f1`
+				DATABASE_OWNER=`echo $DATABASE | cut -d: -f2`
+				if [ "$DATABASE_NAME" != 'postgres' ]; then
+					if [ "$DATABASE_OWNER" ]; then
+						"${psql[@]}" --username postgres <<-EOSQL
+						CREATE DATABASE "$DATABASE_NAME" owner "$DATABASE_OWNER" ;
+						EOSQL
+						echo
+					else
+						"${psql[@]}" --username postgres <<-EOSQL
+							CREATE DATABASE "$DATABASE_NAME" ;
+						EOSQL
+						echo
+					fi
+				fi
+			done
+		fi
+
+		# If you want to set up initial postgresql.conf parameters, please use that variable
+		# Variable example: POSTGRES_CONFIGS="work_mem:15MB|fsync:off|full_page_writes:off"
+		if [ "$POSTGRES_CONFIGS" ]; then
+			CONFIGS_ARR=$(echo $POSTGRES_CONFIGS | tr "|" "\n")
+			for CONFIG in $CONFIGS_ARR
+			do
+				CONFIG_NAME=`echo $CONFIG | cut -d: -f1`
+				CONFIG_VALUE=`echo $CONFIG | cut -d: -f2`
+				"${psql[@]}" --username postgres <<-EOSQL
+					ALTER SYSTEM SET $CONFIG_NAME = "$CONFIG_VALUE" ;
+				EOSQL
+			done
+		fi
+
 		echo
 		for f in /docker-entrypoint-initdb.d/*; do
 			case "$f" in
diff --git a/9.3/docker-entrypoint.sh b/9.3/docker-entrypoint.sh
index 54a1098f7a..d7a78cbbb9 100755
--- a/9.3/docker-entrypoint.sh
+++ b/9.3/docker-entrypoint.sh
@@ -41,6 +41,18 @@ if [ "$1" = 'postgres' ]; then
 		file_env 'POSTGRES_INITDB_ARGS'
 		eval "gosu postgres initdb $POSTGRES_INITDB_ARGS"
 
+		authMethod=trust
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_PASSWORD" ]; then
+					authMethod=md5
+				fi
+			done
+		fi
+
 		# check password first so we can output the warning before postgres
 		# messes it up
 		file_env 'POSTGRES_PASSWORD'
@@ -48,7 +60,10 @@ if [ "$1" = 'postgres' ]; then
 			pass="PASSWORD '$POSTGRES_PASSWORD'"
 			authMethod=md5
 		else
-			# The - option suppresses leading tabs but *not* spaces. :)
+			pass=
+		fi
+
+		if [ "$authMethod" == "trust" ]; then
 			cat >&2 <<-'EOWARN'
 				****************************************************
 				WARNING: No password has been set for the database.
@@ -62,9 +77,6 @@ if [ "$1" = 'postgres' ]; then
 				         it in "docker run".
 				****************************************************
 			EOWARN
-
-			pass=
-			authMethod=trust
 		fi
 
 		{ echo; echo "host all all all $authMethod"; } | gosu postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
@@ -99,6 +111,63 @@ if [ "$1" = 'postgres' ]; then
 
 		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
 
+		# If you want to create more than one user, please use that variable
+		# Variable example: POSTGRES_USERS="user1:user1pass|user2:user2pass|user3:user3password"
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_NAME=`echo $USER | cut -d: -f1`
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_NAME" = 'postgres' ]; then
+					op='ALTER'
+				else
+					op='CREATE'
+				fi
+				"${psql[@]}" --username postgres <<-EOSQL
+					$op USER "$USER_NAME" WITH SUPERUSER PASSWORD '$USER_PASSWORD' ;
+				EOSQL
+			done
+		fi
+
+		# If you want to create more than one database, please use that variable
+		# Variable example: POSTGRES_DATABASES="database1:user1|database2:user2|database3:user3"
+		if [ "$POSTGRES_DATABASES" ]; then
+			DATABASES_ARR=$(echo $POSTGRES_DATABASES | tr "|" "\n")
+			for DATABASE in $DATABASES_ARR
+			do
+				DATABASE_NAME=`echo $DATABASE | cut -d: -f1`
+				DATABASE_OWNER=`echo $DATABASE | cut -d: -f2`
+				if [ "$DATABASE_NAME" != 'postgres' ]; then
+					if [ "$DATABASE_OWNER" ]; then
+						"${psql[@]}" --username postgres <<-EOSQL
+						CREATE DATABASE "$DATABASE_NAME" owner "$DATABASE_OWNER" ;
+						EOSQL
+						echo
+					else
+						"${psql[@]}" --username postgres <<-EOSQL
+							CREATE DATABASE "$DATABASE_NAME" ;
+						EOSQL
+						echo
+					fi
+				fi
+			done
+		fi
+
+		# If you want to set up initial postgresql.conf parameters, please use that variable
+		# Variable example: POSTGRES_CONFIGS="work_mem:15MB|fsync:off|full_page_writes:off"
+		if [ "$POSTGRES_CONFIGS" ]; then
+			CONFIGS_ARR=$(echo $POSTGRES_CONFIGS | tr "|" "\n")
+			for CONFIG in $CONFIGS_ARR
+			do
+				CONFIG_NAME=`echo $CONFIG | cut -d: -f1`
+				CONFIG_VALUE=`echo $CONFIG | cut -d: -f2`
+				"${psql[@]}" --username postgres <<-EOSQL
+					ALTER SYSTEM SET $CONFIG_NAME = "$CONFIG_VALUE" ;
+				EOSQL
+			done
+		fi
+
 		echo
 		for f in /docker-entrypoint-initdb.d/*; do
 			case "$f" in
diff --git a/9.4/alpine/docker-entrypoint.sh b/9.4/alpine/docker-entrypoint.sh
index 2c87e77fb1..e2a6cfd384 100755
--- a/9.4/alpine/docker-entrypoint.sh
+++ b/9.4/alpine/docker-entrypoint.sh
@@ -41,6 +41,18 @@ if [ "$1" = 'postgres' ]; then
 		file_env 'POSTGRES_INITDB_ARGS'
 		eval "su-exec postgres initdb $POSTGRES_INITDB_ARGS"
 
+		authMethod=trust
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_PASSWORD" ]; then
+					authMethod=md5
+				fi
+			done
+		fi
+
 		# check password first so we can output the warning before postgres
 		# messes it up
 		file_env 'POSTGRES_PASSWORD'
@@ -48,7 +60,10 @@ if [ "$1" = 'postgres' ]; then
 			pass="PASSWORD '$POSTGRES_PASSWORD'"
 			authMethod=md5
 		else
-			# The - option suppresses leading tabs but *not* spaces. :)
+			pass=
+		fi
+
+		if [ "$authMethod" == "trust" ]; then
 			cat >&2 <<-'EOWARN'
 				****************************************************
 				WARNING: No password has been set for the database.
@@ -62,9 +77,6 @@ if [ "$1" = 'postgres' ]; then
 				         it in "docker run".
 				****************************************************
 			EOWARN
-
-			pass=
-			authMethod=trust
 		fi
 
 		{ echo; echo "host all all all $authMethod"; } | su-exec postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
@@ -99,6 +111,63 @@ if [ "$1" = 'postgres' ]; then
 
 		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
 
+		# If you want to create more than one user, please use that variable
+		# Variable example: POSTGRES_USERS="user1:user1pass|user2:user2pass|user3:user3password"
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_NAME=`echo $USER | cut -d: -f1`
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_NAME" = 'postgres' ]; then
+					op='ALTER'
+				else
+					op='CREATE'
+				fi
+				"${psql[@]}" --username postgres <<-EOSQL
+					$op USER "$USER_NAME" WITH SUPERUSER PASSWORD '$USER_PASSWORD' ;
+				EOSQL
+			done
+		fi
+
+		# If you want to create more than one database, please use that variable
+		# Variable example: POSTGRES_DATABASES="database1:user1|database2:user2|database3:user3"
+		if [ "$POSTGRES_DATABASES" ]; then
+			DATABASES_ARR=$(echo $POSTGRES_DATABASES | tr "|" "\n")
+			for DATABASE in $DATABASES_ARR
+			do
+				DATABASE_NAME=`echo $DATABASE | cut -d: -f1`
+				DATABASE_OWNER=`echo $DATABASE | cut -d: -f2`
+				if [ "$DATABASE_NAME" != 'postgres' ]; then
+					if [ "$DATABASE_OWNER" ]; then
+						"${psql[@]}" --username postgres <<-EOSQL
+						CREATE DATABASE "$DATABASE_NAME" owner "$DATABASE_OWNER" ;
+						EOSQL
+						echo
+					else
+						"${psql[@]}" --username postgres <<-EOSQL
+							CREATE DATABASE "$DATABASE_NAME" ;
+						EOSQL
+						echo
+					fi
+				fi
+			done
+		fi
+
+		# If you want to set up initial postgresql.conf parameters, please use that variable
+		# Variable example: POSTGRES_CONFIGS="work_mem:15MB|fsync:off|full_page_writes:off"
+		if [ "$POSTGRES_CONFIGS" ]; then
+			CONFIGS_ARR=$(echo $POSTGRES_CONFIGS | tr "|" "\n")
+			for CONFIG in $CONFIGS_ARR
+			do
+				CONFIG_NAME=`echo $CONFIG | cut -d: -f1`
+				CONFIG_VALUE=`echo $CONFIG | cut -d: -f2`
+				"${psql[@]}" --username postgres <<-EOSQL
+					ALTER SYSTEM SET $CONFIG_NAME = "$CONFIG_VALUE" ;
+				EOSQL
+			done
+		fi
+
 		echo
 		for f in /docker-entrypoint-initdb.d/*; do
 			case "$f" in
diff --git a/9.4/docker-entrypoint.sh b/9.4/docker-entrypoint.sh
index 54a1098f7a..d7a78cbbb9 100755
--- a/9.4/docker-entrypoint.sh
+++ b/9.4/docker-entrypoint.sh
@@ -41,6 +41,18 @@ if [ "$1" = 'postgres' ]; then
 		file_env 'POSTGRES_INITDB_ARGS'
 		eval "gosu postgres initdb $POSTGRES_INITDB_ARGS"
 
+		authMethod=trust
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_PASSWORD" ]; then
+					authMethod=md5
+				fi
+			done
+		fi
+
 		# check password first so we can output the warning before postgres
 		# messes it up
 		file_env 'POSTGRES_PASSWORD'
@@ -48,7 +60,10 @@ if [ "$1" = 'postgres' ]; then
 			pass="PASSWORD '$POSTGRES_PASSWORD'"
 			authMethod=md5
 		else
-			# The - option suppresses leading tabs but *not* spaces. :)
+			pass=
+		fi
+
+		if [ "$authMethod" == "trust" ]; then
 			cat >&2 <<-'EOWARN'
 				****************************************************
 				WARNING: No password has been set for the database.
@@ -62,9 +77,6 @@ if [ "$1" = 'postgres' ]; then
 				         it in "docker run".
 				****************************************************
 			EOWARN
-
-			pass=
-			authMethod=trust
 		fi
 
 		{ echo; echo "host all all all $authMethod"; } | gosu postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
@@ -99,6 +111,63 @@ if [ "$1" = 'postgres' ]; then
 
 		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
 
+		# If you want to create more than one user, please use that variable
+		# Variable example: POSTGRES_USERS="user1:user1pass|user2:user2pass|user3:user3password"
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_NAME=`echo $USER | cut -d: -f1`
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_NAME" = 'postgres' ]; then
+					op='ALTER'
+				else
+					op='CREATE'
+				fi
+				"${psql[@]}" --username postgres <<-EOSQL
+					$op USER "$USER_NAME" WITH SUPERUSER PASSWORD '$USER_PASSWORD' ;
+				EOSQL
+			done
+		fi
+
+		# If you want to create more than one database, please use that variable
+		# Variable example: POSTGRES_DATABASES="database1:user1|database2:user2|database3:user3"
+		if [ "$POSTGRES_DATABASES" ]; then
+			DATABASES_ARR=$(echo $POSTGRES_DATABASES | tr "|" "\n")
+			for DATABASE in $DATABASES_ARR
+			do
+				DATABASE_NAME=`echo $DATABASE | cut -d: -f1`
+				DATABASE_OWNER=`echo $DATABASE | cut -d: -f2`
+				if [ "$DATABASE_NAME" != 'postgres' ]; then
+					if [ "$DATABASE_OWNER" ]; then
+						"${psql[@]}" --username postgres <<-EOSQL
+						CREATE DATABASE "$DATABASE_NAME" owner "$DATABASE_OWNER" ;
+						EOSQL
+						echo
+					else
+						"${psql[@]}" --username postgres <<-EOSQL
+							CREATE DATABASE "$DATABASE_NAME" ;
+						EOSQL
+						echo
+					fi
+				fi
+			done
+		fi
+
+		# If you want to set up initial postgresql.conf parameters, please use that variable
+		# Variable example: POSTGRES_CONFIGS="work_mem:15MB|fsync:off|full_page_writes:off"
+		if [ "$POSTGRES_CONFIGS" ]; then
+			CONFIGS_ARR=$(echo $POSTGRES_CONFIGS | tr "|" "\n")
+			for CONFIG in $CONFIGS_ARR
+			do
+				CONFIG_NAME=`echo $CONFIG | cut -d: -f1`
+				CONFIG_VALUE=`echo $CONFIG | cut -d: -f2`
+				"${psql[@]}" --username postgres <<-EOSQL
+					ALTER SYSTEM SET $CONFIG_NAME = "$CONFIG_VALUE" ;
+				EOSQL
+			done
+		fi
+
 		echo
 		for f in /docker-entrypoint-initdb.d/*; do
 			case "$f" in
diff --git a/9.5/alpine/docker-entrypoint.sh b/9.5/alpine/docker-entrypoint.sh
index 2c87e77fb1..e2a6cfd384 100755
--- a/9.5/alpine/docker-entrypoint.sh
+++ b/9.5/alpine/docker-entrypoint.sh
@@ -41,6 +41,18 @@ if [ "$1" = 'postgres' ]; then
 		file_env 'POSTGRES_INITDB_ARGS'
 		eval "su-exec postgres initdb $POSTGRES_INITDB_ARGS"
 
+		authMethod=trust
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_PASSWORD" ]; then
+					authMethod=md5
+				fi
+			done
+		fi
+
 		# check password first so we can output the warning before postgres
 		# messes it up
 		file_env 'POSTGRES_PASSWORD'
@@ -48,7 +60,10 @@ if [ "$1" = 'postgres' ]; then
 			pass="PASSWORD '$POSTGRES_PASSWORD'"
 			authMethod=md5
 		else
-			# The - option suppresses leading tabs but *not* spaces. :)
+			pass=
+		fi
+
+		if [ "$authMethod" == "trust" ]; then
 			cat >&2 <<-'EOWARN'
 				****************************************************
 				WARNING: No password has been set for the database.
@@ -62,9 +77,6 @@ if [ "$1" = 'postgres' ]; then
 				         it in "docker run".
 				****************************************************
 			EOWARN
-
-			pass=
-			authMethod=trust
 		fi
 
 		{ echo; echo "host all all all $authMethod"; } | su-exec postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
@@ -99,6 +111,63 @@ if [ "$1" = 'postgres' ]; then
 
 		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
 
+		# If you want to create more than one user, please use that variable
+		# Variable example: POSTGRES_USERS="user1:user1pass|user2:user2pass|user3:user3password"
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_NAME=`echo $USER | cut -d: -f1`
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_NAME" = 'postgres' ]; then
+					op='ALTER'
+				else
+					op='CREATE'
+				fi
+				"${psql[@]}" --username postgres <<-EOSQL
+					$op USER "$USER_NAME" WITH SUPERUSER PASSWORD '$USER_PASSWORD' ;
+				EOSQL
+			done
+		fi
+
+		# If you want to create more than one database, please use that variable
+		# Variable example: POSTGRES_DATABASES="database1:user1|database2:user2|database3:user3"
+		if [ "$POSTGRES_DATABASES" ]; then
+			DATABASES_ARR=$(echo $POSTGRES_DATABASES | tr "|" "\n")
+			for DATABASE in $DATABASES_ARR
+			do
+				DATABASE_NAME=`echo $DATABASE | cut -d: -f1`
+				DATABASE_OWNER=`echo $DATABASE | cut -d: -f2`
+				if [ "$DATABASE_NAME" != 'postgres' ]; then
+					if [ "$DATABASE_OWNER" ]; then
+						"${psql[@]}" --username postgres <<-EOSQL
+						CREATE DATABASE "$DATABASE_NAME" owner "$DATABASE_OWNER" ;
+						EOSQL
+						echo
+					else
+						"${psql[@]}" --username postgres <<-EOSQL
+							CREATE DATABASE "$DATABASE_NAME" ;
+						EOSQL
+						echo
+					fi
+				fi
+			done
+		fi
+
+		# If you want to set up initial postgresql.conf parameters, please use that variable
+		# Variable example: POSTGRES_CONFIGS="work_mem:15MB|fsync:off|full_page_writes:off"
+		if [ "$POSTGRES_CONFIGS" ]; then
+			CONFIGS_ARR=$(echo $POSTGRES_CONFIGS | tr "|" "\n")
+			for CONFIG in $CONFIGS_ARR
+			do
+				CONFIG_NAME=`echo $CONFIG | cut -d: -f1`
+				CONFIG_VALUE=`echo $CONFIG | cut -d: -f2`
+				"${psql[@]}" --username postgres <<-EOSQL
+					ALTER SYSTEM SET $CONFIG_NAME = "$CONFIG_VALUE" ;
+				EOSQL
+			done
+		fi
+
 		echo
 		for f in /docker-entrypoint-initdb.d/*; do
 			case "$f" in
diff --git a/9.5/docker-entrypoint.sh b/9.5/docker-entrypoint.sh
index 54a1098f7a..d7a78cbbb9 100755
--- a/9.5/docker-entrypoint.sh
+++ b/9.5/docker-entrypoint.sh
@@ -41,6 +41,18 @@ if [ "$1" = 'postgres' ]; then
 		file_env 'POSTGRES_INITDB_ARGS'
 		eval "gosu postgres initdb $POSTGRES_INITDB_ARGS"
 
+		authMethod=trust
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_PASSWORD" ]; then
+					authMethod=md5
+				fi
+			done
+		fi
+
 		# check password first so we can output the warning before postgres
 		# messes it up
 		file_env 'POSTGRES_PASSWORD'
@@ -48,7 +60,10 @@ if [ "$1" = 'postgres' ]; then
 			pass="PASSWORD '$POSTGRES_PASSWORD'"
 			authMethod=md5
 		else
-			# The - option suppresses leading tabs but *not* spaces. :)
+			pass=
+		fi
+
+		if [ "$authMethod" == "trust" ]; then
 			cat >&2 <<-'EOWARN'
 				****************************************************
 				WARNING: No password has been set for the database.
@@ -62,9 +77,6 @@ if [ "$1" = 'postgres' ]; then
 				         it in "docker run".
 				****************************************************
 			EOWARN
-
-			pass=
-			authMethod=trust
 		fi
 
 		{ echo; echo "host all all all $authMethod"; } | gosu postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
@@ -99,6 +111,63 @@ if [ "$1" = 'postgres' ]; then
 
 		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
 
+		# If you want to create more than one user, please use that variable
+		# Variable example: POSTGRES_USERS="user1:user1pass|user2:user2pass|user3:user3password"
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_NAME=`echo $USER | cut -d: -f1`
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_NAME" = 'postgres' ]; then
+					op='ALTER'
+				else
+					op='CREATE'
+				fi
+				"${psql[@]}" --username postgres <<-EOSQL
+					$op USER "$USER_NAME" WITH SUPERUSER PASSWORD '$USER_PASSWORD' ;
+				EOSQL
+			done
+		fi
+
+		# If you want to create more than one database, please use that variable
+		# Variable example: POSTGRES_DATABASES="database1:user1|database2:user2|database3:user3"
+		if [ "$POSTGRES_DATABASES" ]; then
+			DATABASES_ARR=$(echo $POSTGRES_DATABASES | tr "|" "\n")
+			for DATABASE in $DATABASES_ARR
+			do
+				DATABASE_NAME=`echo $DATABASE | cut -d: -f1`
+				DATABASE_OWNER=`echo $DATABASE | cut -d: -f2`
+				if [ "$DATABASE_NAME" != 'postgres' ]; then
+					if [ "$DATABASE_OWNER" ]; then
+						"${psql[@]}" --username postgres <<-EOSQL
+						CREATE DATABASE "$DATABASE_NAME" owner "$DATABASE_OWNER" ;
+						EOSQL
+						echo
+					else
+						"${psql[@]}" --username postgres <<-EOSQL
+							CREATE DATABASE "$DATABASE_NAME" ;
+						EOSQL
+						echo
+					fi
+				fi
+			done
+		fi
+
+		# If you want to set up initial postgresql.conf parameters, please use that variable
+		# Variable example: POSTGRES_CONFIGS="work_mem:15MB|fsync:off|full_page_writes:off"
+		if [ "$POSTGRES_CONFIGS" ]; then
+			CONFIGS_ARR=$(echo $POSTGRES_CONFIGS | tr "|" "\n")
+			for CONFIG in $CONFIGS_ARR
+			do
+				CONFIG_NAME=`echo $CONFIG | cut -d: -f1`
+				CONFIG_VALUE=`echo $CONFIG | cut -d: -f2`
+				"${psql[@]}" --username postgres <<-EOSQL
+					ALTER SYSTEM SET $CONFIG_NAME = "$CONFIG_VALUE" ;
+				EOSQL
+			done
+		fi
+
 		echo
 		for f in /docker-entrypoint-initdb.d/*; do
 			case "$f" in
diff --git a/9.6/alpine/docker-entrypoint.sh b/9.6/alpine/docker-entrypoint.sh
index 2c87e77fb1..e2a6cfd384 100755
--- a/9.6/alpine/docker-entrypoint.sh
+++ b/9.6/alpine/docker-entrypoint.sh
@@ -41,6 +41,18 @@ if [ "$1" = 'postgres' ]; then
 		file_env 'POSTGRES_INITDB_ARGS'
 		eval "su-exec postgres initdb $POSTGRES_INITDB_ARGS"
 
+		authMethod=trust
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_PASSWORD" ]; then
+					authMethod=md5
+				fi
+			done
+		fi
+
 		# check password first so we can output the warning before postgres
 		# messes it up
 		file_env 'POSTGRES_PASSWORD'
@@ -48,7 +60,10 @@ if [ "$1" = 'postgres' ]; then
 			pass="PASSWORD '$POSTGRES_PASSWORD'"
 			authMethod=md5
 		else
-			# The - option suppresses leading tabs but *not* spaces. :)
+			pass=
+		fi
+
+		if [ "$authMethod" == "trust" ]; then
 			cat >&2 <<-'EOWARN'
 				****************************************************
 				WARNING: No password has been set for the database.
@@ -62,9 +77,6 @@ if [ "$1" = 'postgres' ]; then
 				         it in "docker run".
 				****************************************************
 			EOWARN
-
-			pass=
-			authMethod=trust
 		fi
 
 		{ echo; echo "host all all all $authMethod"; } | su-exec postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
@@ -99,6 +111,63 @@ if [ "$1" = 'postgres' ]; then
 
 		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
 
+		# If you want to create more than one user, please use that variable
+		# Variable example: POSTGRES_USERS="user1:user1pass|user2:user2pass|user3:user3password"
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_NAME=`echo $USER | cut -d: -f1`
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_NAME" = 'postgres' ]; then
+					op='ALTER'
+				else
+					op='CREATE'
+				fi
+				"${psql[@]}" --username postgres <<-EOSQL
+					$op USER "$USER_NAME" WITH SUPERUSER PASSWORD '$USER_PASSWORD' ;
+				EOSQL
+			done
+		fi
+
+		# If you want to create more than one database, please use that variable
+		# Variable example: POSTGRES_DATABASES="database1:user1|database2:user2|database3:user3"
+		if [ "$POSTGRES_DATABASES" ]; then
+			DATABASES_ARR=$(echo $POSTGRES_DATABASES | tr "|" "\n")
+			for DATABASE in $DATABASES_ARR
+			do
+				DATABASE_NAME=`echo $DATABASE | cut -d: -f1`
+				DATABASE_OWNER=`echo $DATABASE | cut -d: -f2`
+				if [ "$DATABASE_NAME" != 'postgres' ]; then
+					if [ "$DATABASE_OWNER" ]; then
+						"${psql[@]}" --username postgres <<-EOSQL
+						CREATE DATABASE "$DATABASE_NAME" owner "$DATABASE_OWNER" ;
+						EOSQL
+						echo
+					else
+						"${psql[@]}" --username postgres <<-EOSQL
+							CREATE DATABASE "$DATABASE_NAME" ;
+						EOSQL
+						echo
+					fi
+				fi
+			done
+		fi
+
+		# If you want to set up initial postgresql.conf parameters, please use that variable
+		# Variable example: POSTGRES_CONFIGS="work_mem:15MB|fsync:off|full_page_writes:off"
+		if [ "$POSTGRES_CONFIGS" ]; then
+			CONFIGS_ARR=$(echo $POSTGRES_CONFIGS | tr "|" "\n")
+			for CONFIG in $CONFIGS_ARR
+			do
+				CONFIG_NAME=`echo $CONFIG | cut -d: -f1`
+				CONFIG_VALUE=`echo $CONFIG | cut -d: -f2`
+				"${psql[@]}" --username postgres <<-EOSQL
+					ALTER SYSTEM SET $CONFIG_NAME = "$CONFIG_VALUE" ;
+				EOSQL
+			done
+		fi
+
 		echo
 		for f in /docker-entrypoint-initdb.d/*; do
 			case "$f" in
diff --git a/9.6/docker-entrypoint.sh b/9.6/docker-entrypoint.sh
index 54a1098f7a..d7a78cbbb9 100755
--- a/9.6/docker-entrypoint.sh
+++ b/9.6/docker-entrypoint.sh
@@ -41,6 +41,18 @@ if [ "$1" = 'postgres' ]; then
 		file_env 'POSTGRES_INITDB_ARGS'
 		eval "gosu postgres initdb $POSTGRES_INITDB_ARGS"
 
+		authMethod=trust
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_PASSWORD" ]; then
+					authMethod=md5
+				fi
+			done
+		fi
+
 		# check password first so we can output the warning before postgres
 		# messes it up
 		file_env 'POSTGRES_PASSWORD'
@@ -48,7 +60,10 @@ if [ "$1" = 'postgres' ]; then
 			pass="PASSWORD '$POSTGRES_PASSWORD'"
 			authMethod=md5
 		else
-			# The - option suppresses leading tabs but *not* spaces. :)
+			pass=
+		fi
+
+		if [ "$authMethod" == "trust" ]; then
 			cat >&2 <<-'EOWARN'
 				****************************************************
 				WARNING: No password has been set for the database.
@@ -62,9 +77,6 @@ if [ "$1" = 'postgres' ]; then
 				         it in "docker run".
 				****************************************************
 			EOWARN
-
-			pass=
-			authMethod=trust
 		fi
 
 		{ echo; echo "host all all all $authMethod"; } | gosu postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
@@ -99,6 +111,63 @@ if [ "$1" = 'postgres' ]; then
 
 		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
 
+		# If you want to create more than one user, please use that variable
+		# Variable example: POSTGRES_USERS="user1:user1pass|user2:user2pass|user3:user3password"
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_NAME=`echo $USER | cut -d: -f1`
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_NAME" = 'postgres' ]; then
+					op='ALTER'
+				else
+					op='CREATE'
+				fi
+				"${psql[@]}" --username postgres <<-EOSQL
+					$op USER "$USER_NAME" WITH SUPERUSER PASSWORD '$USER_PASSWORD' ;
+				EOSQL
+			done
+		fi
+
+		# If you want to create more than one database, please use that variable
+		# Variable example: POSTGRES_DATABASES="database1:user1|database2:user2|database3:user3"
+		if [ "$POSTGRES_DATABASES" ]; then
+			DATABASES_ARR=$(echo $POSTGRES_DATABASES | tr "|" "\n")
+			for DATABASE in $DATABASES_ARR
+			do
+				DATABASE_NAME=`echo $DATABASE | cut -d: -f1`
+				DATABASE_OWNER=`echo $DATABASE | cut -d: -f2`
+				if [ "$DATABASE_NAME" != 'postgres' ]; then
+					if [ "$DATABASE_OWNER" ]; then
+						"${psql[@]}" --username postgres <<-EOSQL
+						CREATE DATABASE "$DATABASE_NAME" owner "$DATABASE_OWNER" ;
+						EOSQL
+						echo
+					else
+						"${psql[@]}" --username postgres <<-EOSQL
+							CREATE DATABASE "$DATABASE_NAME" ;
+						EOSQL
+						echo
+					fi
+				fi
+			done
+		fi
+
+		# If you want to set up initial postgresql.conf parameters, please use that variable
+		# Variable example: POSTGRES_CONFIGS="work_mem:15MB|fsync:off|full_page_writes:off"
+		if [ "$POSTGRES_CONFIGS" ]; then
+			CONFIGS_ARR=$(echo $POSTGRES_CONFIGS | tr "|" "\n")
+			for CONFIG in $CONFIGS_ARR
+			do
+				CONFIG_NAME=`echo $CONFIG | cut -d: -f1`
+				CONFIG_VALUE=`echo $CONFIG | cut -d: -f2`
+				"${psql[@]}" --username postgres <<-EOSQL
+					ALTER SYSTEM SET $CONFIG_NAME = "$CONFIG_VALUE" ;
+				EOSQL
+			done
+		fi
+
 		echo
 		for f in /docker-entrypoint-initdb.d/*; do
 			case "$f" in
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 54a1098f7a..d7a78cbbb9 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -41,6 +41,18 @@ if [ "$1" = 'postgres' ]; then
 		file_env 'POSTGRES_INITDB_ARGS'
 		eval "gosu postgres initdb $POSTGRES_INITDB_ARGS"
 
+		authMethod=trust
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_PASSWORD" ]; then
+					authMethod=md5
+				fi
+			done
+		fi
+
 		# check password first so we can output the warning before postgres
 		# messes it up
 		file_env 'POSTGRES_PASSWORD'
@@ -48,7 +60,10 @@ if [ "$1" = 'postgres' ]; then
 			pass="PASSWORD '$POSTGRES_PASSWORD'"
 			authMethod=md5
 		else
-			# The - option suppresses leading tabs but *not* spaces. :)
+			pass=
+		fi
+
+		if [ "$authMethod" == "trust" ]; then
 			cat >&2 <<-'EOWARN'
 				****************************************************
 				WARNING: No password has been set for the database.
@@ -62,9 +77,6 @@ if [ "$1" = 'postgres' ]; then
 				         it in "docker run".
 				****************************************************
 			EOWARN
-
-			pass=
-			authMethod=trust
 		fi
 
 		{ echo; echo "host all all all $authMethod"; } | gosu postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
@@ -99,6 +111,63 @@ if [ "$1" = 'postgres' ]; then
 
 		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
 
+		# If you want to create more than one user, please use that variable
+		# Variable example: POSTGRES_USERS="user1:user1pass|user2:user2pass|user3:user3password"
+		if [ "$POSTGRES_USERS" ]; then
+			USERS_ARR=$(echo $POSTGRES_USERS | tr "|" "\n")
+			for USER in $USERS_ARR
+			do
+				USER_NAME=`echo $USER | cut -d: -f1`
+				USER_PASSWORD=`echo $USER | cut -d: -f2`
+				if [ "$USER_NAME" = 'postgres' ]; then
+					op='ALTER'
+				else
+					op='CREATE'
+				fi
+				"${psql[@]}" --username postgres <<-EOSQL
+					$op USER "$USER_NAME" WITH SUPERUSER PASSWORD '$USER_PASSWORD' ;
+				EOSQL
+			done
+		fi
+
+		# If you want to create more than one database, please use that variable
+		# Variable example: POSTGRES_DATABASES="database1:user1|database2:user2|database3:user3"
+		if [ "$POSTGRES_DATABASES" ]; then
+			DATABASES_ARR=$(echo $POSTGRES_DATABASES | tr "|" "\n")
+			for DATABASE in $DATABASES_ARR
+			do
+				DATABASE_NAME=`echo $DATABASE | cut -d: -f1`
+				DATABASE_OWNER=`echo $DATABASE | cut -d: -f2`
+				if [ "$DATABASE_NAME" != 'postgres' ]; then
+					if [ "$DATABASE_OWNER" ]; then
+						"${psql[@]}" --username postgres <<-EOSQL
+						CREATE DATABASE "$DATABASE_NAME" owner "$DATABASE_OWNER" ;
+						EOSQL
+						echo
+					else
+						"${psql[@]}" --username postgres <<-EOSQL
+							CREATE DATABASE "$DATABASE_NAME" ;
+						EOSQL
+						echo
+					fi
+				fi
+			done
+		fi
+
+		# If you want to set up initial postgresql.conf parameters, please use that variable
+		# Variable example: POSTGRES_CONFIGS="work_mem:15MB|fsync:off|full_page_writes:off"
+		if [ "$POSTGRES_CONFIGS" ]; then
+			CONFIGS_ARR=$(echo $POSTGRES_CONFIGS | tr "|" "\n")
+			for CONFIG in $CONFIGS_ARR
+			do
+				CONFIG_NAME=`echo $CONFIG | cut -d: -f1`
+				CONFIG_VALUE=`echo $CONFIG | cut -d: -f2`
+				"${psql[@]}" --username postgres <<-EOSQL
+					ALTER SYSTEM SET $CONFIG_NAME = "$CONFIG_VALUE" ;
+				EOSQL
+			done
+		fi
+
 		echo
 		for f in /docker-entrypoint-initdb.d/*; do
 			case "$f" in