feat: add PIP_MIRROR_URL environment variable support (#15353)

docker/.env.example

 
 PLUGIN_PYTHON_ENV_INIT_TIMEOUT=120
 PLUGIN_MAX_EXECUTION_TIMEOUT=600
+# PIP_MIRROR_URL=https://pypi.tuna.tsinghua.edu.cn/simple
+PIP_MIRROR_URL=

docker/docker-compose-template.yaml

       FORCE_VERIFYING_SIGNATURE: ${FORCE_VERIFYING_SIGNATURE:-true}
       PYTHON_ENV_INIT_TIMEOUT: ${PLUGIN_PYTHON_ENV_INIT_TIMEOUT:-120}
       PLUGIN_MAX_EXECUTION_TIMEOUT: ${PLUGIN_MAX_EXECUTION_TIMEOUT:-600}
+      PIP_MIRROR_URL: ${PIP_MIRROR_URL:-}
     ports:
       - "${EXPOSE_PLUGIN_DEBUGGING_PORT:-5003}:${PLUGIN_DEBUGGING_PORT:-5003}"
     volumes:

docker/docker-compose.middleware.yaml

       FORCE_VERIFYING_SIGNATURE: ${FORCE_VERIFYING_SIGNATURE:-true}
       PYTHON_ENV_INIT_TIMEOUT: ${PLUGIN_PYTHON_ENV_INIT_TIMEOUT:-120}
       PLUGIN_MAX_EXECUTION_TIMEOUT: ${PLUGIN_MAX_EXECUTION_TIMEOUT:-600}
+      PIP_MIRROR_URL: ${PIP_MIRROR_URL:-}
     ports:
       - "${EXPOSE_PLUGIN_DAEMON_PORT:-5002}:${PLUGIN_DAEMON_PORT:-5002}"
       - "${EXPOSE_PLUGIN_DEBUGGING_PORT:-5003}:${PLUGIN_DEBUGGING_PORT:-5003}"

docker/docker-compose.yaml

   FORCE_VERIFYING_SIGNATURE: ${FORCE_VERIFYING_SIGNATURE:-true}
   PLUGIN_PYTHON_ENV_INIT_TIMEOUT: ${PLUGIN_PYTHON_ENV_INIT_TIMEOUT:-120}
   PLUGIN_MAX_EXECUTION_TIMEOUT: ${PLUGIN_MAX_EXECUTION_TIMEOUT:-600}
+  PIP_MIRROR_URL: ${PIP_MIRROR_URL:-}
 
 services:
   # API service
       FORCE_VERIFYING_SIGNATURE: ${FORCE_VERIFYING_SIGNATURE:-true}
       PYTHON_ENV_INIT_TIMEOUT: ${PLUGIN_PYTHON_ENV_INIT_TIMEOUT:-120}
       PLUGIN_MAX_EXECUTION_TIMEOUT: ${PLUGIN_MAX_EXECUTION_TIMEOUT:-600}
+      PIP_MIRROR_URL: ${PIP_MIRROR_URL:-}
     ports:
       - "${EXPOSE_PLUGIN_DEBUGGING_PORT:-5003}:${PLUGIN_DEBUGGING_PORT:-5003}"
     volumes:

docker/middleware.env.example

 
 PLUGIN_PYTHON_ENV_INIT_TIMEOUT=120
 PLUGIN_MAX_EXECUTION_TIMEOUT=600
+# PIP_MIRROR_URL=https://pypi.tuna.tsinghua.edu.cn/simple
+PIP_MIRROR_URL=