chore: add dev container

.devcontainer/devcontainer.json

@@ -0,0 +1,44 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/python
+{
+  "name": "Python 3",
+  // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+  "image": "mcr.microsoft.com/devcontainers/python:1-3.12-bullseye",
+
+  // Features to add to the dev container. More info: https://containers.dev/features.
+  "features": {
+    "ghcr.io/jsburckhardt/devcontainer-features/uv:1": {},
+    "ghcr.io/jsburckhardt/devcontainer-features/ruff:1": {}
+  },
+
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  // "forwardPorts": [],
+
+  // Use 'postCreateCommand' to run commands after the container is created.
+  "postCreateCommand": "uv sync --all-extras --dev",
+
+  // Configure tool-specific properties.
+  "customizations": {
+    "vscode": {
+      "extensions": ["charliermarsh.ruff", "ms-python.python", "ms-python.debugpy", "matangover.mypy", "ms-python.vscode-pylance"],
+      "settings": {
+        "ruff.enable": true,
+        "editor.codeActionsOnSave": {
+          "source.fixAll": "always",
+          "source.organizeImports": "explicit"
+        },
+        "[python]": {
+          "editor.defaultFormatter": "charliermarsh.ruff"
+        },
+        "editor.formatOnSave": true,
+        "python.testing.pytestArgs": ["tests"],
+        "python.testing.unittestEnabled": false,
+        "python.testing.pytestEnabled": true,
+        "python.defaultInterpreterPath": "${workspaceFolder}/.venv/bin/python"
+      }
+    }
+  }
+
+  // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+  // "remoteUser": "root"
+}

.github/dependabot.yml

@@ -0,0 +1,12 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for more information:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+# https://containers.dev/guide/dependabot
+
+version: 2
+updates:
+ - package-ecosystem: "devcontainers"
+   directory: "/"
+   schedule:
+     interval: weekly

.python-version

@@ -1 +1 @@
-3.11
+3.12

pyproject.toml

@@ -3,7 +3,7 @@ name = "kata"
 version = "0.1.0"
 description = "Code Kata Python Template"
 readme = "README.md"
-requires-python = ">=3.11"
+requires-python = ">=3.12"
 dependencies = []
 
 [build-system]
@@ -18,7 +18,7 @@ dev = [
 ]
 
 [tool.mypy]
-python_version = "3.11"
+python_version = "3.12"
 check_untyped_defs = true
 disallow_any_generics = true
 disallow_incomplete_defs = true