Install Python 3.10 from deadsnakes PPA

openfl-docker/Dockerfile.base

@@ -3,14 +3,74 @@
 
 # If your machine is behind a proxy, make sure you set it up in ~/.docker/config.json
 
-FROM ubuntu:22.04
+ARG IMAGE_NAME=ubuntu
+ARG IMAGE_TAG=22.04
+
+# Base image to be used everywhere
+FROM ${IMAGE_NAME}:${IMAGE_TAG} as base
+RUN apt-get clean && \
+    apt-get update && \
+    apt-get upgrade -y && \
+    apt-get clean autoclean && \
+    apt-get autoremove -y && \
+    rm -rf /var/lib/apt/lists/*
+
+# Python image
+FROM base as python-dev
+
+ARG PYTHON=python3.10
+ARG PYTHON_VER=3.10.13
+
+RUN apt-get update && \
+    apt-get install --no-install-recommends --fix-missing -y \
+      build-essential \
+      ca-certificates \
+      curl \
+      libbz2-dev \
+      libffi-dev \
+      libgdbm-dev \
+      liblzma-dev \
+      libncurses5-dev \
+      libnss3-dev \
+      libreadline-dev \
+      libsqlite3-dev \
+      libssl-dev \
+      make \
+      pkg-config \
+      zlib1g-dev
+
+RUN curl https://www.python.org/ftp/python/${PYTHON_VER}/Python-${PYTHON_VER}.tar.xz -o /tmp/Python-${PYTHON_VER}.tar.xz && \
+     cd /tmp/ && \
+     tar -xf Python-${PYTHON_VER}.tar.xz && \
+     rm -rf Python-${PYTHON_VER}.tar.xz
+
+RUN cd /tmp/Python-${PYTHON_VER} && \
+    ./configure --enable-optimizations && \
+    make -s -j${nproc} && \
+    make altinstall && \
+    ldconfig /opt/Python${PYTHON_VER}
+
+RUN ln -sf /usr/local/bin/${PYTHON} /usr/local/bin/python && \
+    ln -sf /usr/local/bin/${PYTHON} /usr/local/bin/python3
+
+FROM base as python-base
+
+ARG PYTHON=python3.10
+
+COPY --from=python-dev /usr/local/lib/${PYTHON} /usr/local/lib/${PYTHON}
+COPY --from=python-dev /usr/local/bin/${PYTHON} /usr/local/bin/${PYTHON}
+COPY --from=python-dev /usr/local/bin/python3 /usr/local/bin/python3
+COPY --from=python-dev /usr/local/bin/python /usr/local/bin/python
+
+FROM python-base as openfl
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 ARG INSTALL_SOURCES="yes"
 
 WORKDIR /zlib
 #zlib install to 1.2.13
-RUN apt-get update && apt-get install -y --no-install-recommends --fix-missing wget build-essential
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends --fix-missing wget build-essential
 RUN wget --no-check-certificate https://github.com/madler/zlib/archive/refs/tags/v1.2.13.tar.gz && tar -xvf ./v1.2.13.tar.gz && cd zlib-1.2.13 && ./configure --prefix=/usr && make && make install
 RUN rm -rf zlib-1.2.13 && rm -rf v1.2.13.tar.gz
 RUN apt-get remove --purge -y wget build-essential && \
@@ -25,8 +85,6 @@ RUN dpkg --get-selections | grep -v deinstall | awk '{print $1}' > base_packages
 RUN apt-get update && \
     apt-get install -y --no-install-recommends --fix-missing \
         openssh-server=\* \
-        python3.10=\* \
-        python3-distutils=\* \
         curl=\* \
         ca-certificates=\* && \
     if [ "$INSTALL_SOURCES" = "yes" ]; then \
@@ -53,9 +111,9 @@ WORKDIR /openfl
 COPY . .
 
 # Install pip
-RUN update-alternatives --install /usr/bin/python python /usr/bin/python3.10 1
 RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && python get-pip.py && rm -rf get-pip.py
-RUN pip install --no-cache-dir . 
+RUN pip install --no-cache-dir . && \
+    pip uninstall -y setuptools
 WORKDIR /thirdparty
 RUN if [ "$INSTALL_SOURCES" = "yes" ]; then \
     pip install --no-cache-dir pip-licenses; \