WIP add build and publish image workflow, add Dockerfile

.github/workflows/build.yaml

@@ -0,0 +1,37 @@
+name: Build and publish image
+
+on:
+  push:
+    branches:
+      - main
+      - dev
+  workflow_dispatch:
+
+    jobs:
+      build-test-push:
+        runs-on: ubuntu-latest
+        steps:
+          - uses: actions/checkout@v3
+            name: checkout
+
+          - name: Cache node modules
+            uses: actions/cache@v1
+            env:
+              cache-name: cache-node-modules
+            with:
+              path: ~/.npm
+              key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
+              restore-keys: |
+                  ${{ runner.os }}-build-${{ env.cache-name }}-
+                  ${{ runner.os }}-build-
+                  ${{ runner.os }}-
+
+          - uses: mr-smithers-excellent/docker-build-push@v5
+            name: push-container-image
+            with:
+              image: gepardec-gamertrack-frontend
+              registry: ghcr.io
+              username: ${{ github.repository }}
+              password: ${{ secrets.GITHUB_TOKEN }}
+              # if the branch is main, add the latest tag
+              addLatest: ${{ github.ref == 'refs/heads/main' }}

Dockerfile

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+FROM node:alpine
+
+WORKDIR /usr/src/app
+
+COPY . /usr/src/app
+
+RUN npm install -g @angular/cli
+
+RUN npm install
+
+EXPOSE 4200
+
+CMD ["ng", "serve", "--host", "0.0.0.0"]