DROP: Build and push image

.github/workflows/docker.yaml

@@ -0,0 +1,47 @@
+---
+name: Docker Build Action
+on:
+  pull_request:
+    branches:
+      - master
+  release:
+    types:
+      - published
+  push:
+    branches:
+      - master
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build:
+    name: Docker Build
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Log in to the container registry
+      uses: docker/login-action@v3
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ secrets.DOCKER_REGISTRY_USER }}
+        password: ${{ secrets.DOCKER_REGISTRY_TOKEN }}
+
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        ref: ${{ github.event.pull_request.head.sha }}
+
+    - name: Make tag
+      run: |
+        [ "${GITHUB_EVENT_NAME}" == 'pull_request' ] && echo "tag=${GITHUB_HEAD_REF##*/}" >> $GITHUB_ENV || true
+        [ "${GITHUB_EVENT_NAME}" == 'release' ] && echo "tag=${GITHUB_REF##*/}" >> $GITHUB_ENV || true
+        [ "${GITHUB_EVENT_NAME}" == 'push' ] && echo "tag=latest" >> $GITHUB_ENV || true
+
+    - name: Build and push image
+      uses: docker/build-push-action@v5
+      with:
+        context: .
+        push: true
+        tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.tag }}