Helpful tips for Docker


This article shows some helpful tips for Docker.

🚌 docker build

--build-arg

The ARG instruction lets Dockerfile authors define values that users can set at build-time using the –build-arg flag:

docker build --build-arg HTTP_PROXY=http://10.20.30.2:1234 .

😼 Execute a command on Docker container

This is a procedure to execute a command like yarn run xxx:

docker build -t app .
docker run \
--rm \
--entrypoint /bin/bash \
-e ENVIRONMENT=development \
crawler-v2 \
-c 'yarn run xxx'

🐞 References

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