Docker ?

# ()
docker logs my-container # 50 docker logs --tail 50 my-container # docker inspect --format '{{.State.ExitCode}}' my-container

#, command
docker run -it --entrypoint sh myapp:latest # command
#, and more
ls -la /app
env
cat /app/config.json

# docker ps --format '{{.Ports}}'
netstat -tlnp | grep 8080 # ls -la /path/to/mount # docker inspect --format '{{json.Config.Env}}' my-container | jq

# CMD and ENTRYPOINT
docker inspect --format '{{json.Config.Cmd}}' myapp:latest
docker inspect --format '{{json.Config.Entrypoint}}' myapp:latest # docker history myapp:latest # New
docker build --no-cache -t myapp:latest.