Upstream docker/venv improvements

.python-version

@@ -0,0 +1 @@
+3.13

Dockerfile

@@ -1,37 +1,27 @@
-# Stage 1: Install dependencies
-FROM python:3.9-alpine AS builder
+# Use a Python image with uv pre-installed
+FROM ghcr.io/astral-sh/uv:python3.13-bookworm-slim
 
-# Install build dependencies
-RUN apk add --no-cache gcc musl-dev libffi-dev openssl-dev git
-
-# Set working directory
 WORKDIR /app
 
-# Copy requirements and install dependencies
-COPY requirements.txt .
-RUN pip install --no-cache-dir --prefix=/install -r requirements.txt
-
-# Stage 2: Final image
-FROM python:3.9-alpine
+ENV UV_COMPILE_BYTECODE=1
 
-# Install runtime dependencies
-RUN apk add --no-cache git
+ENV UV_LINK_MODE=copy
 
-# Set environment variables
-ENV PYTHONDONTWRITEBYTECODE=1
-ENV PYTHONUNBUFFERED=1
+RUN --mount=type=cache,target=/root/.cache/uv \
+    --mount=type=bind,source=uv.lock,target=uv.lock \
+    --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
+    uv sync --frozen --no-install-project --no-dev
 
-# Set working directory
-WORKDIR /app
+ADD . /app
+RUN --mount=type=cache,target=/root/.cache/uv \
+    uv sync --frozen --no-dev
 
-# Copy installed dependencies from builder
-COPY --from=builder /install /usr/local
+ENV PATH="/app/.venv/bin:$PATH"
 
-# Copy application code
 COPY . .
 
-# Expose port
 EXPOSE 5000
 
-# Run the application
-CMD ["python", "app.py"]
+ENTRYPOINT [ "uv" ]
+
+CMD [ "run", "gunicorn", "--bind", "0.0.0.0:5000", "app:app"]

docker-compose.yaml

@@ -0,0 +1,11 @@
+services:
+  cosmos_upgrades:
+    build: .
+    restart: unless-stopped
+    ports:
+      - "5000:5000"
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:5000/healthz"]
+      interval: 30s
+      timeout: 10s
+      retries: 3

pyproject.toml

@@ -0,0 +1,26 @@
+[project]
+name = "cosmos-upgrades"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.13"
+dependencies = [
+    "dotenv>=0.9.9",
+    "flask==2.1.1",
+    "flask-caching==2.0.2",
+    "gunicorn==20.1.0",
+    "loguru>=0.7.3",
+    "pillow>=11.2.1",
+    "requests==2.26.0",
+    "semantic-version==2.10.0",
+    "urllib3==1.26.7",
+    "werkzeug==2.2.2",
+]
+
+[dependency-groups]
+dev = [
+    "ruff>=0.9.4",
+]
+
+[tool.ruff]
+line-length = 120