build: Install poetry, pre-commit, and tox via pipx (#16)

As well as bump base image to `python:3.10.0-slim-bullseye`.

Author: playpauseandstop

Dockerfile

@@ -1,61 +1,52 @@
 # TODO: Find out whether it possible to use "faster" base Python image
-FROM python:3.9.7-slim-buster as python-base
+FROM python:3.10.0-slim-bullseye as python-base
 
 LABEL maintainer="Igor Davydenko <iam@igordavydenko.com>"
-LABEL description="Add poetry, pre-commit, and other dev-tools to official Python slim Docker image."
-
-# Ensure to use latest system versions
-RUN apt update -qq && apt upgrade -y && apt autoremove -y
-
-# Global poetry setup
-ENV POETRY_HOME "/opt/poetry"
-ENV POETRY_NO_INTERACTION "1"
-ENV PATH "${POETRY_HOME}/bin:${PATH}"
-
-# Install poetry at one stage
-FROM python-base as poetry-base
-
-ENV POETRY_VERSION "1.1.10"
-RUN apt install -y build-essential curl
-RUN curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/install-poetry.py | python
-RUN poetry --version
-
-# Install dev tools at another stage
-FROM python-base as development-base
-
-# Additonal applications to install
-ENV ADDITIONAL_APPS \
-    curl \
-    g++ \
-    gcc \
-    gettext \
-    git \
-    locales \
-    locales-all \
-    make \
-    nano \
-    openssh-client \
-    rsync
-RUN apt install -y ${ADDITIONAL_APPS} && apt autoremove -y
-
+LABEL description="Add poetry, pre-commit, and other dev-tools installed via pipx to official Python slim Docker image."
+
+# Install additional dev dependencies and ensure to use latest system versions
+RUN apt-get update -qq \
+    && apt-get upgrade -y \
+    && apt-get autoremove -y \
+    && apt-get install --no-install-recommends -y \
+        curl \
+        g++ \
+        gcc \
+        gettext \
+        git \
+        locales \
+        locales-all \
+        make \
+        nano \
+        openssh-client \
+        rsync \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* \
+    && apt-get autoremove -y
+
+# Update path to include `/root/.local/bin`
+ENV PATH="/root/.local/bin:${PATH}"
+
+# Update pip to latest version, install pipx & virtualen into user directory,
+# and install additional dev-tools via pipx into `~/.local`
+#
 # To check latest versions,
 #
 # ```bash
-# pip-latest-release pip pre-commit tox virtualenv
+# pip-latest-release pip pipx poetry pre-commit tox virtualenv
 # ```
-ENV PIP_VERSION "21.2.4"
-ENV PRE_COMMIT_VERSION "2.15.0"
-ENV TOX_VERSION "3.24.4"
-ENV VIRTUALENV_VERSION "20.8.1"
-
-RUN pip install \
-    pip==${PIP_VERSION} \
-    pre-commit==${PRE_COMMIT_VERSION} \
-    tox==${TOX_VERSION} \
-    virtualenv==${VIRTUALENV_VERSION}
-
-# Copy poetry from previous stage
-COPY --from=poetry-base ${POETRY_HOME} ${POETRY_HOME}
+ENV PIP_VERSION="21.3.1"
+ENV PIPX_VERSION="0.16.4"
+ENV POETRY_VERSION="1.1.11"
+ENV PRE_COMMIT_VERSION="2.15.0"
+ENV TOX_VERSION="3.24.4"
+ENV VIRTUALENV_VERSION="20.10.0"
+
+RUN python3 -m pip install --no-cache-dir pip==${PIP_VERSION} \
+    && python3 -m pip install --no-cache-dir --user pipx==${PIPX_VERSION} virtualenv==${VIRTUALENV_VERSION} \
+    && python3 -m pipx install --pip-args=--no-cache-dir poetry==${POETRY_VERSION} \
+    && python3 -m pipx install --pip-args=--no-cache-dir pre-commit==${PRE_COMMIT_VERSION} \
+    && python3 -m pipx install --pip-args=--no-cache-dir tox==${TOX_VERSION}
 
 WORKDIR /app
 CMD ["python3"]

README.md

@@ -3,22 +3,23 @@
 ![Docker Cloud Build Status](https://img.shields.io/docker/cloud/build/playpauseandstop/docker-python.svg)
 ![Docker Pulls](https://img.shields.io/docker/pulls/playpauseandstop/docker-python.svg)
 
-Add poetry, pre-commit, and other dev-tools to official Python slim Docker
-image.
+Add poetry, pre-commit, and other dev-tools installed via pipx to official
+Python slim Docker image.
 
 ## Usage
 
 ```dockerfile
-FROM playpauseandstop/docker-python:4.3.0
+FROM playpauseandstop/docker-python:5.0.0
 ```
 
 ### Included dev-tools
 
-- [pip](https://pip.pypa.io) 21.1.1
-- [poetry](https://python-poetry.org) 1.1.6
-- [pre-commit](https://pre-commit.com) 2.12.1
-- [tox](https://tox.readthedocs.io/) 3.23.0
-- [virtualenv](https://virtualenv.pypa.io) 20.4.4
+- [pip](https://pip.pypa.io) 21.3.1
+- [pipx](https://pypa.github.io/pipx/) 0.16.4
+- [poetry](https://python-poetry.org) 1.1.11
+- [pre-commit](https://pre-commit.com) 2.15.0
+- [tox](https://tox.readthedocs.io/) 3.24.2
+- [virtualenv](https://virtualenv.pypa.io) 20.10.0
 - [curl](https://curl.haxx.se) 7.64.0
 - [gcc & g++](https://gcc.gnu.org) 8.3.0
 - [git](https://git-scm.com) 2.20.1
@@ -37,6 +38,14 @@ other versions supported as well.
 
 List of supported Python versions are (`<PY_VERSION>` -> base Docker image)
 
+#### 5.0.0
+
+- `py310` -> `python:3.10.0-slim-bullseye`
+- `py39` -> `python:3.9.8-slim-bullseye`
+- `py38` -> `python:3.8.12-slim-bullseye`
+- `py37` -> `python:3.7.12-slim-bullseye`
+- `py36` -> `python:3.6.15-slim-bullseye`
+
 #### 4.3.0
 
 - `py39` -> `python:3.9.5-slim-buster`