From 2f763ddc0cd48be7edede1ef6f17370c8190fa49 Mon Sep 17 00:00:00 2001
From: hoelee <me@hoelee.com>
Date: Mon, 10 Aug 2026 06:16:32 +0800
Subject: [PATCH] Add Docker Hub CI/CD workflow

---
 .github/workflows/docker.yml | 62 ++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 .github/workflows/docker.yml

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
new file mode 100644
index 0000000..484c1bd
--- /dev/null
+++ b/.github/workflows/docker.yml
@@ -0,0 +1,62 @@
+name: Build & Push to Docker Hub
+
+on:
+  push:
+    branches: [main]
+    tags: ["v*"]
+  pull_request:
+    branches: [main]
+
+env:
+  REGISTRY: docker.io
+  IMAGE_NAME: ${{ vars.DOCKERHUB_USERNAME }}/email-sync-oauth2
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        if: github.event_name != "pull_request"
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: ${{ github.event_name != "pull_request" }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Run healthcheck test
+        if: github.event_name == 'pull_request'
+        run: |
+          docker compose up -d
+          sleep 30
+          docker inspect --format='{{.State.Health.Status}}' email-sync-oauth2
+          docker compose down