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Add support for on-build script to execute during Docker build #36

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8 changes: 7 additions & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,13 @@ RUN ln -s /app /usr/src/app/ext \
&& cd /usr/src/app \
&& pip3 install -r requirements.txt

ONBUILD ADD Dockerfile requirement[s].txt /app/
ONBUILD ADD Dockerfile requirement[s].txt on-build.sh* /app/
ONBUILD RUN if [ -f /app/on-build.sh ]; \
then \
echo "Running custom on-build.sh of child" \
&& chmod +x /app/on-build.sh \
&& /bin/bash /app/on-build.sh ;\
fi
ONBUILD RUN cd /app/ \
&& if [ -f requirements.txt ]; then pip install -r requirements.txt; fi

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3 changes: 3 additions & 0 deletions README.md
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Expand Up @@ -347,3 +347,6 @@ python3 -m pip install pydoc-markdown
python3 README.py
```
You can customise the output through the API configuration! See [README.py](README.py) && the [pydoc-markdown docs](https://niklasrosenstein.github.io/pydoc-markdown/).

### Custom build commands
To execute custom bash statements during the image build (e.g. to install aditional system libraries), provide an `on-build.sh` script in the root of your service. It will be automatically picked up and executed by the Docker build.