chore: switch db port to 5433 and use pgvector image

.github/workflows/main.yml

@@ -127,14 +127,14 @@ jobs:
             cat > docker-compose.prod.yml <<'YAML'
             services:
               db:
-                image: ${POSTGRES_IMAGE:-docker.m.daocloud.io/library/postgres:16-alpine}
+                image: ${POSTGRES_IMAGE:-docker.m.daocloud.io/pgvector/pgvector:pg16}
                 container_name: fquiz-db
                 environment:
                   POSTGRES_DB: ${POSTGRES_DB:-fquiz}
                   POSTGRES_USER: ${POSTGRES_USER:-fquiz}
                   POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-fquiz}
                 ports:
-                  - "5432:5432"
+                  - "${POSTGRES_PORT:-5433}:5432"
                 volumes:
                   - fquiz_db_data:/var/lib/postgresql/data
                 healthcheck:
@@ -209,7 +209,8 @@ jobs:
             POSTGRES_DB=fquiz
             POSTGRES_USER=fquiz
             POSTGRES_PASSWORD=fquiz
-            POSTGRES_IMAGE=docker.m.daocloud.io/library/postgres:16-alpine
+            POSTGRES_PORT=5433
+            POSTGRES_IMAGE=docker.m.daocloud.io/pgvector/pgvector:pg16
             ENV
               echo "[warn] .env 不存在，已写入默认模板，请尽快改成生产配置。"
             fi