feat: build using forgejo actions

.forgejo/workflows/docker.yml

@@ -0,0 +1,42 @@
+name: Docker
+
+on:
+  push:
+    branches:
+      - "main"
+
+env:
+  REGISTRY: code.troylusty.com
+  IMAGE_NAME: ${{ github.repository }}
+
+permissions:
+  packages: write
+  contents: read
+
+jobs:
+  run-tests:
+    uses: ./.forgejo/workflows/test.yml
+
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    needs:
+      - run-tests
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to the container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.pat }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.sha }}