⬆️ Upgrade build script to python 3.13

Author: nikolaik

.python-version

@@ -1 +1 @@
-3.12.7
+3.13.6

pyproject.toml

@@ -9,11 +9,11 @@ dependencies = [
 ]
 description = "Build docker images with Python and Node.js"
 readme = "README.md"
-requires-python = "~= 3.12"
+requires-python = "~= 3.13.0"
 
 [build-system]
-requires = ["hatchling"]
-build-backend = "hatchling.build"
+requires = ["uv_build>=0.8.9,<0.9.0"]
+build-backend = "uv_build"
 
 [project.scripts]
 dpn = "docker_python_nodejs:dpn"
@@ -22,7 +22,7 @@ dpn = "docker_python_nodejs:dpn"
 dev-dependencies = [
   "pytest",
   "pre-commit",
-  "ruff==0.12.8",
+  "ruff",
   "pytest-cov",
   "mypy",
   "types-requests",
@@ -44,7 +44,7 @@ ignore = [
   "FBT001", # Allow boolean function args
   "FIX001" # Allow fixme's
 ]
-target-version = "py312"
+target-version = "py313"
 
 [tool.ruff.per-file-ignores]
 "**/test*.py" = ["S101"]

src/docker_python_nodejs/cli.py

@@ -1,4 +1,5 @@
 import argparse
+import json
 import logging
 from typing import Literal, cast
 
@@ -86,7 +87,7 @@ def parse_args() -> CLIArgs:
     subparsers = parser.add_subparsers(dest="command", help="Sub-commands")
     # Dockerfile command
     parser_dockerfile = subparsers.add_parser("dockerfile", help="Render a dockerfile based on version config")
-    parser_dockerfile.add_argument("--context", default="", help="Dockerfile version config")
+    parser_dockerfile.add_argument("--context", default="", type=json.loads, help="Dockerfile version config")
     # Build matrix command
     parser_build_matrix = subparsers.add_parser("build-matrix", help="Generate CI build matrix")
     parser_build_matrix.add_argument(