Docker 환경 변수

• DOCKER_API_VERSION The API version to use (e.g. 1.19)
• DOCKER_CONFIG The location of your client configuration files.
• DOCKER_CERT_PATH The location of your authentication keys.
• DOCKER_DRIVER The graph driver to use.
• DOCKER_HOST Daemon socket to connect to.
• DOCKER_NOWARN_KERNEL_VERSION Prevent warnings that your Linux kernel is unsuitable for Docker.
• DOCKER_RAMDISK If set this will disable ‘pivot_root’.
• DOCKER_TLS_VERIFY When set Docker uses TLS and verifies the remote.
• DOCKER_CONTENT_TRUST When set Docker uses notary to sign and verify images. Equates to --disable-content-trust=false for build, create, pull, push, run.
• DOCKER_CONTENT_TRUST_SERVER The URL of the Notary server to use. This defaults to the same URL as the registry.
• DOCKER_TMPDIR Location for temporary Docker files.

Go에서 사용하는 어떠한 환경변수도 사용가능하다고 하는데 나중에 체크.