Add GitHub Actions build, .env.example, update README with Granola API key instructions

Author: Alexey Panfilov

.env.example

@@ -0,0 +1,10 @@
+GRANOLA_API_KEY=grn_...
+
+GOOGLE_CLIENT_ID=...
+GOOGLE_CLIENT_SECRET=...
+GOOGLE_REFRESH_TOKEN=
+
+GOOGLE_DRIVE_FOLDER_ID=
+
+# How often to re-sync (e.g. 1h, 30m, 6h)
+SYNC_INTERVAL=1h

.github/workflows/docker.yml

@@ -0,0 +1,40 @@
+name: Build and push Docker image
+
+on:
+  push:
+    branches: [main]
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            ghcr.io/dzarlax-ai/granola-drive-sync:latest
+            ghcr.io/dzarlax-ai/granola-drive-sync:${{ github.sha }}

README.md

@@ -19,13 +19,19 @@ A hidden file stored in the root of your Drive folder. It maps each Granola note
 
 ## Setup
 
-### 1. Google Cloud credentials
+### 1. Granola API key
+
+1. Open the Granola app → **Settings → Integrations → API**
+2. Generate a new API key
+3. Copy it into `.env` as `GRANOLA_API_KEY`
+
+### 3. Google Cloud credentials
 
 1. Go to [Google Cloud Console](https://console.cloud.google.com/) → **APIs & Services → Enable APIs** → enable **Google Drive API**
 2. **Credentials → Create Credentials → OAuth 2.0 Client ID → Desktop app** — download the JSON
 3. Copy `client_id` and `client_secret` into `.env`
 
-### 2. Get a refresh token (one-time, run locally)
+### 4. Get a refresh token (one-time, run locally)
 
 ```bash
 go build -o granola-sync .
@@ -35,7 +41,7 @@ export $(grep -v '^#' .env | xargs)
 
 A browser window will open. After authorizing, copy the printed `GOOGLE_REFRESH_TOKEN` into `.env`.
 
-### 3. Configure `.env`
+### 5. Configure `.env`
 
 ```env
 GRANOLA_API_KEY=grn_...
@@ -56,9 +62,11 @@ SYNC_INTERVAL=1h
 https://drive.google.com/drive/folders/<FOLDER_ID>
 ```
 
-### 4. Run
+### 6. Run
 
 ```bash
+cp .env.example .env  # fill in your values
+docker compose pull
 docker compose up -d
 docker compose logs -f
 ```

docker-compose.yml

@@ -1,5 +1,5 @@
 services:
   granola-sync:
-    build: .
+    image: ghcr.io/dzarlax-ai/granola-drive-sync:latest
     restart: unless-stopped
     env_file: .env