ci: work around open file limitations for docker build

.github/workflows/backend.yaml

@@ -12,7 +12,7 @@ jobs:
         with:
           python-version: "3.10"
       - name: Install dependencies
-        run: pip install -e '.[dev,test]'
+        run: pip install '.[dev,test]'
       - name: Analysing the code with pylint
         run: make pylint
 
@@ -25,7 +25,7 @@ jobs:
         with:
           python-version: "3.10"
       - name: Install dependencies
-        run: pip install -e '.[dev,test]'
+        run: pip install '.[dev,test]'
       - name: Analysing the code with mypy
         run: make mypy
 
@@ -63,7 +63,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
-        run: pip install -e '.[dev,test]'
+        run: pip install '.[dev,test]'
       - name: Run all tests
         run: pytest tests --doctest-modules --junitxml=junit/test-results.xml --cov=com --cov-report=xml --cov-report=html
 
@@ -76,6 +76,6 @@ jobs:
         with:
           python-version: "3.10"
       - name: Install dependencies
-        run: pip install -e '.[dev,test]'
+        run: pip install '.[dev,test]'
       - name: Check formatting
         run: make check-format

.github/workflows/push_on_master.yaml

@@ -48,6 +48,14 @@ jobs:
     - get-distros
     steps:
     - uses: actions/checkout@master
+    - name: Set up Nodejs
+      uses: actions/setup-node@v2
+      with:
+        node-version: "18"
+        cache: "npm"
+        cache-dependency-path: frontend/package-lock.json
+    - name: Install dependencies
+      run: npm ci
 
     - name: Build API Image
       id: build-api-image
@@ -68,6 +76,10 @@ jobs:
         username: ${{ secrets.DOCKERHUB_REGISTRY_USER }}
         password: ${{ secrets.DOCKERHUB_REGISTRY_PASSWORD }}
 
+    - name: Build Frontend
+      working-directory: frontend
+      run: npx build web
+
     - name: Build Frontend Image
       id: build-frontend-image
       uses: redhat-actions/buildah-build@v2

docker/Dockerfile-frontend

@@ -1,9 +1,5 @@
 # syntax=docker/dockerfile:1.3
-FROM node:lts as build
-ADD frontend/ /build/
-RUN cd /build/ && npm install && npx nx build web 
-
 FROM docker.io/nginx:stable-alpine
-COPY --from=build --chown=nginx:nginx /build/dist/apps/web/ /var/www/abrechnung/
+COPY --chown=nginx:nginx frontend/dist/apps/web/ /var/www/abrechnung/
 COPY --chown=nginx:nginx frontend/apps/web/src/assets/config.json /var/www/abrechnung/config.json
 COPY docker/nginx-static /etc/nginx/conf.d/default.conf