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chore: fix dockerfile #4

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chore: fix dockerfile #4

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balajisa09
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@balajisa09 balajisa09 commented Sep 28, 2024

PR Type

bug_fix


Description

  • Fixed the path in the Dockerfile CMD instruction to correctly point to the main application file.
  • Ensures the Docker container runs the correct entry point for the application.

Changes walkthrough 📝

Relevant files
Bug fix
Dockerfile
Fix application path in Dockerfile CMD instruction             

Dockerfile

  • Updated the command to run the main application.
  • Changed the path from /app/app-catalog/main.py to
    /app/app-catalog/app/main.py.
  • +1/-1     

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    PR Reviewer Guide 🔍

    ⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪
    🧪 No relevant tests
    🔒 No security concerns identified
    ⚡ No key issues to review

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    PR Code Suggestions ✨

    Explore these optional code suggestions:

    CategorySuggestion                                                                                                                                    Score
    Security
    Add a non-root user to run the application for improved security

    Add a non-root user to run the application. Running containers as a non-root user is
    a security best practice that can help mitigate potential vulnerabilities. Create a
    new user and switch to it before running the application.

    Dockerfile [9]

    +RUN adduser --disabled-password --gecos '' appuser
    +USER appuser
     CMD ["python", "-u", "/app/app-catalog/app/main.py"]
    • Apply this suggestion
    Suggestion importance[1-10]: 9

    Why: Running the application as a non-root user is a crucial security measure that mitigates potential vulnerabilities. This suggestion significantly enhances the security posture of the Docker container.

    9
    Best practice
    Implement a multi-stage build to reduce the final image size and improve security

    Consider using a multi-stage build to reduce the final image size. You can use a
    builder stage to install dependencies and copy only the necessary files to the final
    stage. This approach can significantly reduce the size of your Docker image and
    improve security by not including build tools in the final image.

    Dockerfile [5-9]

    -COPY . /app/app-catalog
    +FROM python:3.9-slim AS builder
    +WORKDIR /app
    +COPY app-catalog/requirements.txt .
    +RUN pip3 install --no-cache-dir -r requirements.txt
     
    -RUN pip3 install -r app-catalog/requirements.txt
    -
    +FROM python:3.9-slim
    +WORKDIR /app
    +COPY --from=builder /usr/local/lib/python3.9/site-packages /usr/local/lib/python3.9/site-packages
    +COPY app-catalog /app/app-catalog
     CMD ["python", "-u", "/app/app-catalog/app/main.py"]
    • Apply this suggestion
    Suggestion importance[1-10]: 8

    Why: The suggestion to use a multi-stage build is a best practice that can significantly reduce the Docker image size and enhance security by excluding unnecessary build tools from the final image. This is a valuable improvement for production environments.

    8
    Specify a precise version tag for the base image to ensure reproducibility

    Use a specific version tag for the base image instead of the implicit latest tag.
    This ensures reproducibility and prevents unexpected changes when rebuilding the
    image. Choose a specific version that suits your application's requirements.

    Dockerfile [5]

    -FROM python:3.9
    +FROM python:3.9.16-slim-buster
    • Apply this suggestion
    Suggestion importance[1-10]: 7

    Why: Using a specific version tag for the base image ensures reproducibility and stability by preventing unexpected changes during image rebuilds. This is a sensible practice for maintaining consistent environments.

    7
    Use a virtual environment to isolate application dependencies

    Consider using a virtual environment to isolate the application dependencies. This
    can help prevent conflicts between system-wide packages and your application's
    requirements. You can create and activate a virtual environment before installing
    the dependencies.

    Dockerfile [7]

    -RUN pip3 install -r app-catalog/requirements.txt
    +RUN python -m venv /app/venv
    +ENV PATH="/app/venv/bin:$PATH"
    +RUN pip3 install --no-cache-dir -r app-catalog/requirements.txt
    • Apply this suggestion
    Suggestion importance[1-10]: 6

    Why: Isolating application dependencies using a virtual environment can prevent conflicts with system-wide packages and is a good practice for managing dependencies. However, its impact is less critical than other suggestions.

    6

    💡 Need additional feedback ? start a PR chat

    venkatamutyala
    venkatamutyala previously approved these changes Sep 28, 2024
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