Docker release GHCR action

.github/workflows/hma-release.yaml

@@ -0,0 +1,55 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
+name: Publish HMA docker image
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths:
+      - "hasher-matcher-actioner/version.txt"
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+defaults:
+  run:
+    working-directory: hasher-matcher-actioner
+
+jobs:
+  build-and-push:
+    name: Build and Publish Hasher Matcher Actioner Docker Image to registry
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Read version
+        id: version
+        run: echo "VERSION=$(cat hasher-matcher-actioner/version.txt)" >> $GITHUB_ENV
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io/my-org
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/hma:latest
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/hma:${{ env.VERSION }}

hasher-matcher-actioner/version.txt

@@ -0,0 +1 @@
+1.0.0