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Reduce image size by clearing caches 

With these changess, we build a 40% lighter image.
First, we regroup all apt install lines, so we can remove cache on the
same layer.

Then we remove pip3 cache, which is absolutely not negligible.
This commit is contained in:
slokilla 2023-04-30 13:12:15 +02:00 committed by bretfourbe
parent a59cc4fe19
commit 9c91017c01
1 changed files with 11 additions and 6 deletions
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17
Dockerfile.test
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@ -1,13 +1,18 @@
FROM ubuntu:22.04
ENV DEBIAN_FRONTEND noninteractive
RUN apt-get update
RUN apt-get install ca-certificates -y
RUN apt update \
&& apt install ca-certificates python3 python3-pip php8.1-cli php8.1-xml -y --no-install-recommends \
&& apt clean -yq \
&& apt autoremove -yq \
&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
&& truncate -s 0 /var/log/*log
RUN update-ca-certificates
RUN apt-get install python3 python3-pip -y
RUN apt-get install php8.1-cli php8.1-xml -y --no-install-recommends
RUN python3 -c "import sys; print(sys.version)"
RUN python3 -m pip install --upgrade pip
RUN pip3 install -U setuptools
RUN pip3 install -U setuptools --no-cache-dir
RUN mkdir /usr/src/app
ENV LANG en_US.UTF-8
@ -18,5 +23,5 @@ WORKDIR /usr/src/app
COPY . .
RUN pip3 install .[test]
RUN pip3 install .[test] --no-cache-dir
CMD ["pytest"]