Docker File Part -2 |Cloud Soft Solutions

Introduction to Dockerfiles:
What is a Dockerfile?
Importance of Dockerfiles in containerization.
Basic Dockerfile Instructions:
FROM: Specify the base image.
RUN: Execute commands in the container.
CMD: Define the default command to run.
LABEL: Add metadata to the image.
EXPOSE: Document the ports the container listens on.
ENV: Set environment variables.
ADD and COPY: Add files to the image.
Advanced Dockerfile Instructions:
ENTRYPOINT: Configure a container that will run as an executable.
VOLUME: Mount host directories as data volumes.
USER: Set the user to run the container.
WORKDIR: Set the working directory for instructions.
ARG: Define variables that users can pass at build-time.
Optimization Tips:
Reducing image size.
Improving build times.
Best practices for writing Dockerfiles.
Practical Example:
Creating a Dockerfile for a sample application.
Building and running the Docker image.
Troubleshooting: Common issues and how to resolve them.
Resources:
Dockerfile Reference
Best Practices for Writing Dockerfiles
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