try jammy and default python

Dockerfile

@@ -1,5 +1,5 @@
 # syntax = docker/dockerfile:1.2
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
 # Install general dependencies
 RUN apt-get update \
@@ -10,50 +10,10 @@ RUN apt-get update \
   autoconf automake libgdbm-dev libncurses5-dev \
   libsqlite3-dev libtool libyaml-dev pkg-config libgmp-dev \
   libpq-dev libxi6 libjpeg-dev libpng-dev libtiff-dev libgif-dev \
-  libwebp-dev wget \
+  libwebp-dev wget python3 \
   # Ruby deps
   gawk bison sqlite3
 
-# Uses python3.11 by default
-ENV PYTHON_VERSION 3.11.3
-ENV PYTHON_PIP_VERSION 24.0
-ENV PYTHON_SETUPTOOLS_VERSION 65.5.1
-ENV PYTHON_GET_PIP_URL https://github.com/pypa/get-pip/raw/dbf0c85f76fb6e1ab42aa672ffca6f0a675d9ee4/public/get-pip.py
-ENV PYTHON_GET_PIP_SHA256 dfe9fd5c28dc98b5ac17979a953ea550cec37ae1b47a5116007395bfacff2ab9
-ENV PATH /usr/local/bin:$PATH
-ENV LANG C.UTF-8
-
-RUN wget -O python.tgz "https://www.python.org/ftp/python/$PYTHON_VERSION/Python-$PYTHON_VERSION.tgz"; \
-	mkdir -p /usr/src/python; \
-    tar -xf python.tgz -C /usr/src/python; \
-    cd /usr/src/python/Python-${PYTHON_VERSION}; \
-    ./configure --enable-optimizations; \
-    nproc="$(nproc)"; \
-	make -j "$nproc"; \
-	make install;
-
-RUN ln /usr/local/bin/python3 /usr/local/bin/python && \
-  py_version=`python --version` && \
-  if [[ "$py_version" != "Python $PYTHON_VERSION" ]]; then exit 1; fi;
-
-RUN set -eux; \
-	\
-	wget -O get-pip.py "$PYTHON_GET_PIP_URL"; \
-	echo "$PYTHON_GET_PIP_SHA256 *get-pip.py" | sha256sum -c -; \
-	\
-	export PYTHONDONTWRITEBYTECODE=1; \
-	\
-	python3 get-pip.py \
-		--disable-pip-version-check \
-		--no-cache-dir \
-		--no-compile \
-		"pip==$PYTHON_PIP_VERSION" \
-		"setuptools==$PYTHON_SETUPTOOLS_VERSION" \
-	; \
-	rm -f get-pip.py; \
-	\
-	pip --version;
-
 # Deps for container hardening
 RUN ln -sf "/usr/share/zoneinfo/$SYSTEM_TIMEZONE" /etc/localtime
 COPY docker/ua-attach-config.sh .