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Using "--no-cache-dir" flag in pip install ,make sure dowloaded packages by pip don't cached on system . This is a best practise which make sure to fetch ftom repo instead of using local cached one . Further , in case of Docker Containers , by restricing caching , we can reduce image size. In term of stats , it depends upon the number of python packages multiplied by their respective size . e.g for heavy packages with a lot of dependencies it reduce a lot by don't caching pip packages. Further , more detail information can be found at https://medium.com/sciforce/strategies-of-docker-images-optimization-2ca9cc5719b6 Signed-off-by: Pratik Raj <rajpratik71@gmail.com>
22 lines
421 B
Docker
22 lines
421 B
Docker
#
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# Dockerfile for youtube-dl
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#
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FROM python:3.9-alpine
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MAINTAINER kev <noreply@easypi.pro>
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RUN set -xe \
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&& apk add --no-cache ca-certificates \
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ffmpeg \
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openssl \
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aria2 \
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&& pip3 install --no-cache-dir youtube-dl
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# Try to run it so we know it works
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RUN youtube-dl --version
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WORKDIR /data
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ENTRYPOINT ["youtube-dl"]
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CMD ["--help"]
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