feat: pull bootstrap image from public registry

compose.yaml

@@ -14,8 +14,7 @@ services:
       timeout: 5s
       retries: 24
   app:
-    build: {context: ., dockerfile: Dockerfile.bootstrap}
-    image: xymediavault-bootstrap:local
+    image: ${XYMEDIA_BOOTSTRAP_IMAGE:-git.keeper.work/admin/xymediavault-bootstrap:1}
     environment:
       XYMEDIA_POSTGRES_MODE: external
       XYMEDIA_COMPONENT_RUNTIME: local
@@ -34,7 +33,7 @@ services:
     healthcheck:
       test: [CMD, /releases/current/bin/xymediavault, healthcheck, --url, http://127.0.0.1:8080/api/health]
   app-migrate:
-    image: xymediavault-bootstrap:local
+    image: ${XYMEDIA_BOOTSTRAP_IMAGE:-git.keeper.work/admin/xymediavault-bootstrap:1}
     entrypoint: [/releases/current/bin/xymediavault]
     command: [migrate, --new, --config, /app/config.yaml]
     environment:

install.sh

@@ -187,11 +187,8 @@ for placeholder, value in values.items():
 output.write_text(content)
 PY
 cp "$COMPOSE_TEMPLATE" "$DOCKERFILE_TEMPLATE" "$INSTALL_DIR/"
-if [[ ! -f "$INSTALL_DIR/.bootstrap-dockerfile.sha256" || "$(sha256sum "$INSTALL_DIR/Dockerfile.bootstrap" | cut -d' ' -f1)" != "$(<"$INSTALL_DIR/.bootstrap-dockerfile.sha256")" ]]; then
-  progress '构建首次 bootstrap runtime'
-  run_logged "${COMPOSE[@]}" --project-directory "$INSTALL_DIR" --env-file "$INSTALL_DIR/.env" -f "$INSTALL_DIR/compose.yaml" build app || die 'bootstrap runtime 构建失败'
-  sha256sum "$INSTALL_DIR/Dockerfile.bootstrap" | cut -d' ' -f1 >"$INSTALL_DIR/.bootstrap-dockerfile.sha256"
-fi
+progress '下载 bootstrap runtime'
+run_logged "${COMPOSE[@]}" --project-directory "$INSTALL_DIR" --env-file "$INSTALL_DIR/.env" -f "$INSTALL_DIR/compose.yaml" pull app || die 'bootstrap runtime 下载失败；请确认能访问 git.keeper.work Container Registry'
 progress '启动 PostgreSQL'
 if [[ $PG_HOST == postgres ]]; then run_logged "${COMPOSE[@]}" --profile local-db --project-directory "$INSTALL_DIR" --env-file "$INSTALL_DIR/.env" -f "$INSTALL_DIR/compose.yaml" up -d postgres || die 'PostgreSQL 启动失败'; fi
 if [[ $PG_HOST == postgres ]]; then