Add action

action.yml

@@ -0,0 +1,55 @@
+name: "Docker build"
+description: "Builds a docker image"
+inputs:
+  name:
+    description: "Directory name"
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+    - name: Checkout
+      uses: https://git.kjan.de/actions/checkout@v4
+
+    - name: Set up Docker Buildx
+      uses: https://git.kjan.de/actions/setup-buildx-action@v3
+
+    - name: Login to local Docker Registry
+      uses: https://git.kjan.de/actions/login-action@v3
+      with:
+        registry: git.kjan.de
+        username: ${{ secrets.REGISTRY_USERNAME }}
+        password: ${{ secrets.REGISTRY_TOKEN }}
+
+    - name: Login to Docker.io Registry
+      uses: https://git.kjan.de/actions/login-action@v3
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - name: Cache Docker layers
+      uses: actions/cache@v4
+      with:
+        path: /tmp/.buildx-cache
+        key: ${{ runner.os }}-${{ inputs.name }}-${{ github.sha }}
+        restore-keys: |
+          ${{ runner.os }}-${{ inputs.name }}-                
+
+    - name: Build and push
+      uses: https://git.kjan.de/actions/build-push-action@v6
+      with:
+        cache-from: type=local,src=/tmp/.buildx-cache
+        cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
+        context: ./images/actions/${{ inputs.name }}
+        push: ${{ github.ref == 'refs/heads/main' }}
+        tags: |
+          git.kjan.de/actions/${{ inputs.name }}:latest
+          git.kjan.de/actions/${{ inputs.name }}:${{ gitea.sha }}             
+
+    - # Temp fix
+      # https://github.com/docker/build-push-action/issues/252
+      # https://github.com/moby/buildkit/issues/1896
+      name: Move cache
+      run: |
+        rm -rf /tmp/.buildx-cache
+        mv /tmp/.buildx-cache-new /tmp/.buildx-cache