feat(ci): docker build and push workflow

.github/workflows/docker-build-and-push.yml

@@ -0,0 +1,62 @@
+name: Build and Publish Docker image
+
+# Trigger on pushes to astria branch, new semantic version tags, and pull request updates
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - "main"
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+  # trigger on pull request updates when target is `astria` branch
+  pull_request:
+    branches:
+      - "main"
+
+jobs:
+  build-and-publish-latest:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+      packages: write
+    steps:
+      # Checking out the repo
+      - uses: actions/checkout@v4
+      - uses: depot/setup-action@v1
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      # Generate correct tabs and labels
+      - name: Docker metadata
+        id: metadata
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            ghcr.io/astriaorg/noVM-messenger
+          tags: |
+            type=ref,event=pr
+            type=match,pattern=v(.*),group=1
+            type=sha
+            # set latest tag for `main` branch
+            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
+      - name: Build and push
+        uses: depot/build-push-action@v1
+        with:
+          # this gets rid of the unknown/unknown image that is created without this setting
+          # https://github.com/docker/build-push-action/issues/820#issuecomment-1455687416
+          provenance: false
+          context: .
+          platforms: "linux/amd64,linux/arm64"
+          push: true
+          tags: ${{ steps.metadata.outputs.tags }}
+          labels: ${{ steps.metadata.outputs.labels }}
+          project: 6h983chj5w