feature: Do not install pre-commit & tox to system site packages.

Also updates all Python dev tools to latest versions.

Fixes: #1

Author: playpauseandstop

CHANGELOG.md

@@ -1,3 +1,11 @@
+# 1.2.0 (2019-09-10)
+
+- Install pre-commit & tox to user site packages, not to system site packages
+- Update pip to 19.2.3
+- Update virtualenv to 16.7.5
+- Update pre-commit to 1.18.3
+- Update tox to 3.14.0
+
 # 1.1.0 (2019-07-11)
 
 - Base `py37` Python is 3.7.4

Dockerfile

@@ -3,13 +3,15 @@ FROM python:3.7.4-slim-stretch
 LABEL maintainer="Igor Davydenko <iam@igordavydenko.com>"
 LABEL description="Add poetry, pre-commit, and other dev-tools to official Python slim stretch Docker image."
 
-RUN pip install pip==19.1.1 pre-commit==1.17.0 tox==3.13.2 virtualenv==16.6.1
+RUN apt update && apt upgrade -y && apt install -y curl git locales locales-all make nano openssh-client && apt autoremove -y
+
+RUN pip install pip==19.2.3 virtualenv==16.7.5
+RUN pip install --no-warn-script-location --user pre-commit==1.18.3 tox==3.14.0
 
 ENV POETRY_VERSION=0.12.17
-RUN apt update && apt upgrade -y && apt install -y curl git locales locales-all make nano openssh-client && apt autoremove -y
 RUN curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py | python
 
-ENV PATH="/root/.poetry/bin:${PATH}"
+ENV PATH="/root/.local/bin:/root/.poetry/bin:${PATH}"
 RUN poetry config settings.virtualenvs.create false
 
 WORKDIR /app

README.md

@@ -14,11 +14,11 @@ FROM playpauseandstop/docker-python
 
 ### Included dev-tools
 
-- [pip](https://pip.pypa.io) 19.1.1
-- [virtualenv](https://virtualenv.pypa.io) 16.6.1
+- [pip](https://pip.pypa.io) 19.2.3
+- [virtualenv](https://virtualenv.pypa.io) 16.7.5
 - [poetry](https://poetry.eustace.io) 0.12.17
-- [pre-commit](https://pre-commit.com) 1.17.0
-- [tox](https://tox.readthedocs.io/) 3.13.2
+- [pre-commit](https://pre-commit.com) 1.18.3
+- [tox](https://tox.readthedocs.io/) 3.14.0
 - [curl](https://curl.haxx.se) 7.52.1
 - [git](https://git-scm.com) 2.11.0
 - [locales](https://packages.debian.org/stretch/locales) &