chore: add docker build workflow

.github/workflows/docker-publish.yml

@@ -0,0 +1,33 @@
+name: "Docker Publish"
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: moonrailgun/tianji
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

docker-compose.yml

@@ -1,18 +1,15 @@
 version: '3'
 services:
   tianji:
-    image: tianji
-    build:
-      context: .
+    image: moonrailgun/tianji
     ports:
       - "12345:12345"
     environment:
       DATABASE_URL: postgresql://tianji:tianji@db:5432/tianji
       JWT_SECRET: replace-me-with-a-random-string
-      ALLOW_REGISTER: false
+      ALLOW_REGISTER: "false"
     depends_on:
-      db:
-        condition: service_healthy
+      - postgres
     restart: always
   postgres:
     image: postgres:15.4-alpine