Update Python version in Dockerfile and Pipfile to 3.13

.github/workflows/ci.yml

@@ -11,14 +11,24 @@ on:
       - master
 
 jobs:
+  setup:
+    runs-on: ubuntu-latest
+    outputs:
+      python_version: ${{ steps.read_python_version.outputs.python_version }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Read Python version
+        id: read_python_version
+        run: echo "::set-output name=python_version::$(cat .python-version)"
   black:
     runs-on: ubuntu-latest
+    needs: setup
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: ${{ needs.setup.outputs.python_version }}
       - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
@@ -37,12 +47,13 @@ jobs:
           python -m black --check .
   flake8:
     runs-on: ubuntu-latest
+    needs: setup
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: ${{ needs.setup.outputs.python_version }}
       - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
@@ -61,12 +72,13 @@ jobs:
           flake8
   mypy:
     runs-on: ubuntu-latest
+    needs: setup
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: ${{ needs.setup.outputs.python_version }}
       - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
@@ -84,12 +96,13 @@ jobs:
           python -m mypy .
   test:
     runs-on: ubuntu-latest
+    needs: setup
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: ${{ needs.setup.outputs.python_version }}
       - uses: actions/cache@v4
         with:
           path: ~/.cache/pip

.python-version

@@ -0,0 +1 @@
+3.13.0

Dockerfile

@@ -1,5 +1,5 @@
 # Use alpine for a smaller image size and install only the required packages
-FROM python:3.8-alpine
+FROM python:3.13-slim
 
 # > Setting PYTHONUNBUFFERED to a non empty value ensures that the python output is sent straight to
 # > terminal (e.g. your container log) without being first buffered and that you can see the output

Pipfile

@@ -21,9 +21,10 @@ slackclient = "~=2.6"
 markupsafe = "==2.1.5"
 click = "~=8.1"
 types-flask = "*"
+typing_extensions = "*"
 
 [requires]
-python_version = "3.8"
+python_version = "3.13"
 
 [pipenv]
 allow_prereleases = true