Dockerfile useful comands

Dockerfile

FROM image[:tag]                 # Image that container will be up
RUN command                      # A bash script command
WORKDIR /app                     # Root Directory
COPY . /app                      # Copy current dir to inside container
VOLUME /app                      # Exposed volumes to outside container
EXPOSE 3000                      # Exposed ports to outside container
CMD ["command", "args", ... ]    # Run command after container`s up