Add Gitea Actions workflow for Docker build and push

.gitea/workflows/docker-build.yml

@@ -0,0 +1,49 @@
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches:
+      - main
+      - develop
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Registry
+        uses: docker/login-action@v3
+        with:
+          registry: registry.szmyt151.pl
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Extract metadata
+        id: meta
+        run: |
+          echo "version=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
+          echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+          echo "date=$(date +%Y%m%d-%H%M%S)" >> $GITHUB_OUTPUT
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: |
+            registry.szmyt151.pl/registryuser/aiagentdlafirm:latest
+            registry.szmyt151.pl/registryuser/aiagentdlafirm:${{ steps.meta.outputs.sha_short }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Image digest
+        run: echo "Image pushed successfully!"