# Docker Container
# Advantage of using docker-compose file version 3 over a shellscript?
Pros
docker compose
- Multiple inherited YAML files
- Automatically handles clearnup
- Redability, write less code
Cons
Shell script
- Able to use shell magic
# Dockerfile References
FROM
ARG user1=someuser
LABEL version="1.0"
ENV myName John Doe
ADD --chown=55:mygroup files* /somedir/
COPY hom?.txt /mydir/
<!-- The VOLUME instruction creates a mount point with the specified name and marks it as
holding externally mounted volumes from native host or other containers. -->
VOLUME ["/var/www", "/var/log/apache2", "/etc/apache2"]
EXPOSE 80/tcp 443
USER ${user:-some_user}:group
STOPSIGNAL
WORKDIR /path/to/workdir
<!-- when the image is used as the base for another build. -->
ONBUILD RUN /usr/local/bin/python-build --dir /app/src
SHELL ["executable", "parameters"]
RUN uname -a
HEALTHCHECK --interval=5m --timeout=3s \
CMD curl -f http://localhost/ || exit 1
ENTRYPOINT ["top", "-b"]
CMD ["-c"]
What is the difference between RUN and SHELL directive?
:
# References
← curl Text Editor →