[pre-commit.ci] pre-commit suggestions + other fixes/bumps (#18)

* [pre-commit.ci] pre-commit suggestions

updates:
- [github.com/pre-commit/pre-commit-hooks: v4.6.0 → v5.0.0](pre-commit/pre-commit-hooks@v4.6.0...v5.0.0)
- [github.com/executablebooks/mdformat: 0.7.17 → 0.7.22](hukkin/mdformat@0.7.17...0.7.22)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* update CI
* docker update

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Jirka Borovec <6035284+Borda@users.noreply.github.com>

Author: pre-commit-ci[bot]

.github/ISSUE_TEMPLATE/Question.md

@@ -27,4 +27,4 @@ assignees: ''
 
 #### What's your environment?
 
-- Version \[e.g. 0.2.1\]
+- Version [e.g. 0.2.1]

.github/workflows/docker-builds.yml

@@ -16,10 +16,10 @@ env:
 
 jobs:
   build-push:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.12"]
+        python-version: ["3.12"]
     steps:
       - name: Checkout
         uses: actions/checkout@v4

.pre-commit-config.yaml

@@ -9,7 +9,7 @@ ci:
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.6.0
+    rev: v5.0.0
     hooks:
       - id: end-of-file-fixer
       - id: trailing-whitespace
@@ -21,7 +21,7 @@ repos:
       - id: detect-private-key
 
   - repo: https://github.com/executablebooks/mdformat
-    rev: 0.7.17
+    rev: 0.7.22
     hooks:
       - id: mdformat
         additional_dependencies:

Dockerfile

@@ -1,39 +1,41 @@
 # https://www.learnopencv.com/install-opencv3-on-ubuntu/
 
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
-ARG PYTHON_VERSION=3.8
+ARG PYTHON_VERSION=3.9
 
-LABEL maintainer="jiri.borovec@fel.cvut.cz"
+LABEL maintainer="jborovec+github@gmail.com"
 
 SHELL ["/bin/bash", "-c"]
 
 # for installing tzdata see: https://stackoverflow.com/a/58264927/4521646
 ENV DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get update -qq && \
-    apt-get install -y --no-install-recommends software-properties-common && \
-    add-apt-repository ppa:deadsnakes/ppa && \
-    apt-get update --fix-missing && \
+RUN \
+    apt-get update -qq --fix-missing && \
     apt-get install -y --no-install-recommends \
+        software-properties-common \
+        dirmngr \
+        gnupg && \
+    add-apt-repository ppa:deadsnakes/ppa && \
+    apt-add-repository universe && \
+    apt-get -y update -qq --fix-missing && \
+    apt-get -y install --no-install-recommends \
         python${PYTHON_VERSION} \
-        $( [ ${PYTHON_VERSION%%.*} -ge 3 ] && echo "python${PYTHON_VERSION}-distutils" ) \
         python${PYTHON_VERSION}-dev \
-        wget \
+        curl \
     && \
 
+# Set the default python and install PIP packages
+    update-alternatives --install /usr/bin/python${PYTHON_VERSION%%.*} python${PYTHON_VERSION%%.*} /usr/bin/python${PYTHON_VERSION} 1 && \
+    update-alternatives --install /usr/bin/python python /usr/bin/python${PYTHON_VERSION} 1 && \
+
 # Install python dependencies
-    wget https://bootstrap.pypa.io/get-pip.py --progress=bar:force:noscroll --no-check-certificate && \
-    python${PYTHON_VERSION} get-pip.py && \
-    rm get-pip.py && \
+    curl "https://bootstrap.pypa.io/get-pip.py" | python && \
 
 # Cleaning
     apt-get autoremove -y && \
-    apt-get clean && \
-
-# Set the default python and install PIP packages
-    update-alternatives --install /usr/bin/python${PYTHON_VERSION%%.*} python${PYTHON_VERSION%%.*} /usr/bin/python${PYTHON_VERSION} 1 && \
-    update-alternatives --install /usr/bin/python python /usr/bin/python${PYTHON_VERSION} 1
+    apt-get clean
 
 RUN \
     # Show what we have