Docker: Decoupled nginx and fpm builds

.gitlab-ci.yml

@@ -30,15 +30,23 @@ stages:
 build-image.nginx:
   <<: *docker_definition
   stage: build-frontend
+  artifacts:
+    name: "${CI_JOB_NAME}_${CI_JOB_ID}_assets"
+    expire_in: 1 day
+    paths:
+      - ./public/assets
   script:
     - docker build --pull -t "${TEST_IMAGE}-nginx" -f contrib/nginx/Dockerfile .
     - docker push "${TEST_IMAGE}-nginx"
+    - instance=$(docker create "${TEST_IMAGE}-nginx")
+    - docker cp "${instance}:/var/www/public/assets" public/
+    - docker rm "${instance}"
 
 build-image:
   <<: *docker_definition
   stage: build
   script:
-    - docker build --pull --build-arg NGINX_IMAGE="${TEST_IMAGE}-nginx" -t "${TEST_IMAGE}" -f contrib/Dockerfile .
+    - docker build --pull -t "${TEST_IMAGE}" -f contrib/Dockerfile .
     - docker push "${TEST_IMAGE}"
 
 test:
@@ -112,6 +120,7 @@ build-release-file:
       - ./release/
   script:
     - rsync -vAax "${DOCROOT}" release/
+    - rsync -vAax public/assets release/public/
 
 deploy-staging:
   <<: *deploy_definition

README.md

@@ -99,7 +99,7 @@ vendor/bin/phpunit
 
 ### CI & Build Pipeline
 The engelsystem can be tested and automatically deployed to a testing/staging/production environment.
-This functionality requires a [GitLab](https://about.gitlab.com/) server with a running docker minion.
+This functionality requires a [GitLab](https://about.gitlab.com/) server with a working docker runner.
 
 To use the deployment features the following secret variables need to be defined (if undefined the step will be skipped):
 ```bash

contrib/Dockerfile

@@ -1,15 +1,9 @@
-# Setup
-ARG NGINX_IMAGE=engelsystem-nginx:latest
-
 # composer install
 FROM composer AS composer
 COPY ./ /app/
 RUN composer --no-ansi install --no-dev --ignore-platform-reqs
 RUN composer --no-ansi dump-autoload --optimize
 
-# Use frontend container for assets
-FROM ${NGINX_IMAGE} AS frontend
-
 # Intermediate container for less layers
 FROM alpine as data
 COPY bin/ /app/bin
@@ -18,7 +12,6 @@ COPY db/ /app/db
 COPY import/ /app/import
 COPY includes/ /app/includes
 COPY public/ /app/public
-COPY --from=frontend /var/www/public/assets/ /app/public/assets
 COPY resources/lang /app/resources/lang
 COPY resources/views /app/resources/views
 COPY src/ /app/src