Ensure lowercase docker image name #2

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	name: Linting and Tests

	on: [push, pull_request]

	jobs:
	check:
	runs-on: ubuntu-latest

	steps:
	- name: Check out the repo
	uses: actions/checkout@v4

	- name: Create build image name
	run: \|
	echo "IMAGENAME_LC=${IMAGENAME,,}" >> ${GITHUB_ENV}
	env:
	IMAGENAME: '${{ github.repository }}'

	- name: Build the Docker image
	run: docker build .docker/alpine/ --tag ${IMAGENAME_LC}-test:lua-5.2

	- name: Run linter
	uses: addnab/docker-run-action@v3
	with:
	image: ${{ env.IMAGENAME_LC }}-test:lua-5.2
	options: -v ${{ github.workspace }}:/github/workspace
	run: \|
	echo "Static luacheck ljsocket.lua"
	luacheck --config .luacheckrc \
	ljsocket.lua
	echo "Linting ljsocket.lua"
	lualint -s ljsocket.lua

	- name: Bytecode verification
	uses: addnab/docker-run-action@v3
	with:
	image: ${{ env.IMAGENAME_LC }}-test:lua-5.2
	options: -v ${{ github.workspace }}:/github/workspace
	run: \|
	echo "Checking JIT bytecode for ljsocket.lua"
	luajit -bl ljsocket.lua /dev/null
	echo "Checking bytecode for ljsocket.lua"
	luac -p ljsocket.lua

	- name: Run unit tests
	uses: addnab/docker-run-action@v3
	with:
	image: ${{ env.IMAGENAME_LC }}-test:lua-5.2
	options: -v ${{ github.workspace }}:/github/workspace
	run: \|
	lunit -i `which luajit` $(find test -name "*_test.lua")
	luacov ljsocket.lua

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