refactor docker image gh action to also build on push to main

.github/workflows/docker-push-main.yaml

@@ -0,0 +1,75 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# GitHub recommends pinning actions to a commit SHA.
+# To get a newer version, you will need to update the SHA.
+# You can also reference a tag or branch, but the action may change without warning.
+
+name: Create and publish a Docker image
+
+on:
+  push:
+    branches: ['main']
+  pull_request:
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout trustless-generic-relayer
+        uses: actions/checkout@v3
+        with:
+          path: trustless-generic-relayer
+      - name: Checkout wormhole
+        uses: actions/checkout@v3
+        with:
+          repository: wormhole-foundation/wormhole
+          path: trustless-generic-relayer/ethereum/wormhole
+          ref: feat/batch_vaa_alternative
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: "npm"
+          cache-dependency-path: |
+            trustless-generic-relayer/ethereum/package-lock.json
+            trustless-generic-relayer/ethereum/wormhole/ethereum/package-lock.json
+            trustless-generic-relayer/relayer_engine/package-lock.json
+            trustless-generic-relayer/sdk/package-lock.json
+      - name: Generate contract typechain typings
+        run: |
+          cd trustless-generic-relayer/ethereum
+          ../scripts/install-foundry
+          PATH=$PATH:$HOME/.foundry/bin/ make build
+      - name: npm ci generic relayer plugin
+        run: |
+          cd trustless-generic-relayer/relayer_engine
+          npm ci
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: trustless-generic-relayer/relayer_engine
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}