feat: push RP docker image to registry

.github/workflows/release_docker.yml

@@ -0,0 +1,36 @@
+name: Publish Docker Image
+
+on:
+  push:
+    # TODO: uncomment this before merge!
+    # branches:
+    #   - "main"
+    # tags:
+    #   - "v*"
+
+jobs:
+  docker:
+    name: Push Docker image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Login to the Github Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Docker Metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/Lilypad-Tech/resource-provider
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./docker/resource-provider/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}