Bump golang from 1.21.4-alpine to 1.21.5-alpine #187

	name: Check Docker build
	on: [pull_request]
	jobs:
	docker:
	name: Docker
	runs-on: ubuntu-latest

	services:
	redis:
	image: redis
	ports:
	- 6379:6379

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

	- name: create secrets
	run: \|
	mkdir secrets
	printf "password" > secrets/postgres_password
	printf "my_token_key" > secrets/auth_token_key
	printf "my_cookie_key" > secrets/auth_cookie_key

	- name: Start With Docker
	run: \|
	docker build . --tag openslides-vote
	timeout --preserve-status --signal=SIGINT 5s docker run --network host -v $PWD/secrets:/run/secrets openslides-vote
	env:
	DOCKER_BUILDKIT: 1

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