Optional string value. Provides the path to an environment variable file used to define global environment variables injected into all pipeline steps. The environment file format is documented here.
DRONE_RUNNER_ENV_FILE=/etc/drone.conf
Remember to mount this file from the host machine into the Docker container. Note the configuration path defined above should point to the file path inside the container.
docker run \
--volume /etc/drone.conf:/etc/drone.conf