Wrong Dockerfile configuration on Deploy Streamlit using Docker docs page

[Laz4rz]

Checklist

• [X] I have searched the existing issues for similar issues.
• [X] I added a very descriptive title to this issue.
• [X] I have provided sufficient information below to help reproduce this issue.

Summary

Hey

Today by following the manual at Deploy Streamlit using Docker (https://docs.streamlit.io/knowledge-base/tutorials/deploy/docker) I run into the problem of setting a WORKDIR for the Docker.

The WORKDIR has to be moved after the RUN git clone method for the Docker to set the WORKDIR correctly. Otherwise, it results in Docker being unable to set the WORKDIR and default to running the commands in its directory.

This way the docker build fails at RUN pip3 install -r requirements.txt

Wrong version:

# app/Dockerfile

FROM python:3.9-slim

WORKDIR /app

RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    software-properties-common \
    git \
    && rm -rf /var/lib/apt/lists/*

RUN git clone https://github.com/streamlit/streamlit-example.git .

RUN pip3 install -r requirements.txt

EXPOSE 8501

HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health

ENTRYPOINT ["streamlit", "run", "streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]

Corrected version:

# app/Dockerfile

FROM python:3.9-slim

RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    software-properties-common \
    git \
    && rm -rf /var/lib/apt/lists/*

RUN git clone https://github.com/streamlit/streamlit-example.git .

WORKDIR /app

RUN pip3 install -r requirements.txt

EXPOSE 8501

HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health

ENTRYPOINT ["streamlit", "run", "streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]

ran

Reproducible Code Example

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Steps To Reproduce

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Expected Behavior

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Current Behavior

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Is this a regression?

• [ ] Yes, this used to work in a previous version.

Debug info

• Streamlit version:
• Python version:
• Operating System:
• Browser:

Additional Information

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[sfc-gh-dmatthews]

I haven't addressed it yet, but I have a related issue open at streamlit/docs#959. I'll move this to the docs repo for tracking so I can address the docker tutorial issues together.