fix docker image

backend/Dockerfile

@@ -1,17 +1,34 @@
-FROM 533267185808.dkr.ecr.us-west-2.amazonaws.com/docker.io/central/library/golang:1.22-alpine AS builder
+# Builder Stage
+FROM docker.io/library/golang:1.22-alpine AS builder
 WORKDIR /app
 
+# Build argument for the image tag (if required)
 ARG IMAGE_TAG
 
-RUN apk update 
-RUN apk --update add --no-cache git tzdata
-ADD . .
+# Install dependencies for building the app
+RUN apk add --no-cache git tzdata
+
+# Copy source code into the container
+COPY . .
+
+# Build the Go binary
 RUN GOPROXY=direct go build -o api .
 
-FROM 533267185808.dkr.ecr.us-west-2.amazonaws.com/docker.io/central/library/alpine:3
+# Final Stage
+FROM docker.io/library/alpine:3
 WORKDIR /app
-RUN apk update && apk upgrade && apk --no-cache add curl
 
+# Install runtime dependencies
+RUN apk add --no-cache curl
+
+# Copy the built binary from the builder stage
 COPY --from=builder /app/api /app/
+
+# Ensure the binary is executable
+RUN chmod +x /app/api
+
+# Expose port 3000 for the application
 EXPOSE 3000
-ENTRYPOINT ./api
+
+# Entry point for the container
+ENTRYPOINT ["/app/api"]