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Docker for Python Developers
Docker for Python Developers
Dockerfile for a simple Flask Project
To package our project into a Docker container, we need an additional command: WORKDIR
.
The WORKDIR
command in Docker sets the working directory for any subsequent instructions in the Dockerfile. In your case, WORKDIR /flask-app
sets /flask-app
as the working directory.
This means that any further instructions (such as COPY
, RUN
, CMD
, etc.) will be executed in the context of this directory. For example, if you execute COPY app.py /flask-app
, the file app.py
will be copied into the /flask-app
directory inside the container.
This is useful for organizing your project within the container and ensuring clarity about where operations are taking place within the Docker image.
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