ci: add containers build job

.github/workflows/actions/build-container/action.yml

@@ -0,0 +1,24 @@
+name: Build container
+description: Build and push a container
+
+inputs:
+  target:
+    required: true
+  images:
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - uses: docker/metadata-action@v4
+      id: meta
+      with:
+        images: ${{ inputs.images }}
+
+    - uses: docker/build-push-action@v3
+      with:
+        context: .
+        push: ${{ startsWith(github.ref, 'refs/tags') }}
+        target: ${{ inputs.target }}
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}

.github/workflows/container.yml

@@ -0,0 +1,56 @@
+name: Container
+
+on:
+  push:
+    tags: ["[0-9]+.[0-9]+.[0-9]+*"]
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    env:
+      REGISTRY: ghcr.io
+      NAMESPACE: ${{ github.repository_owner }}
+
+    if: ${{ github.repository_owner == 'libretime' }}
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build libretime-analyzer
+        uses: ./.github/workflows/actions/build-container
+        with:
+          target: libretime-analyzer
+          images: ${{ env.REGISTRY }}/${{ env.NAMESPACE }}/libretime-analyzer
+
+      - name: Build libretime-api
+        uses: ./.github/workflows/actions/build-container
+        with:
+          target: libretime-api
+          images: ${{ env.REGISTRY }}/${{ env.NAMESPACE }}/libretime-api
+
+      - name: Build libretime-playout
+        uses: ./.github/workflows/actions/build-container
+        with:
+          target: libretime-playout
+          images: ${{ env.REGISTRY }}/${{ env.NAMESPACE }}/libretime-playout
+
+      - name: Build libretime-worker
+        uses: ./.github/workflows/actions/build-container
+        with:
+          target: libretime-worker
+          images: ${{ env.REGISTRY }}/${{ env.NAMESPACE }}/libretime-worker
+
+      - name: Build libretime-legacy
+        uses: ./.github/workflows/actions/build-container
+        with:
+          target: libretime-legacy
+          images: ${{ env.REGISTRY }}/${{ env.NAMESPACE }}/libretime-legacy