fix: Remove more copies from dockerfile

Dockerfile

@@ -1,17 +1,51 @@
-FROM --platform=$BUILDPLATFORM python:3.10-alpine AS builder
+# syntax=docker/dockerfile:1
+
+### Build stage ###
+FROM python:3.13-alpine AS build
+
+# Install build dependencies for Pillow and other native wheels
+RUN apk add --no-cache \
+    build-base \
+    jpeg-dev zlib-dev freetype-dev
+
+# Copy uv (fast Python package manager)
+COPY --from=ghcr.io/astral-sh/uv:0.8.21 /uv /uvx /bin/
 
 WORKDIR /app
+COPY pyproject.toml uv.lock ./
 
-COPY requirements.txt /app
-RUN --mount=type=cache,target=/root/.cache/pip \
-    python3 -m pip install -r requirements.txt
+# Install dependencies into a virtual environment
+RUN --mount=type=cache,target=/root/.cache/uv \
+    uv sync --locked
 
-COPY . /app
+# Copy only app source files
+COPY main.py server.py ./
+COPY templates templates
 
-# Optionally mount /data to store the data
-# VOLUME /data
+# Clean up caches and pycache
+RUN rm -rf /root/.cache/uv
+RUN find . -type d -name "__pycache__" -exec rm -rf {} +
 
-ENTRYPOINT ["python3"]
-CMD ["main.py"]
 
-FROM builder as dev-envs
+### Runtime stage ###
+FROM python:3.13-alpine AS runtime
+ENV PATH="/app/.venv/bin:$PATH"
+
+# Create non-root user
+RUN addgroup -g 1001 appgroup && \
+    adduser -D -u 1001 -G appgroup -h /app appuser
+
+WORKDIR /app
+RUN apk add --no-cache curl
+
+
+# Copy only whats needed for runtime
+COPY --from=build --chown=appuser:appgroup /app/.venv /app/.venv
+COPY --from=build --chown=appuser:appgroup /app/templates /app/templates
+COPY --from=build --chown=appuser:appgroup /app/main.py /app/
+COPY --from=build --chown=appuser:appgroup /app/server.py /app/
+
+USER appuser
+EXPOSE 5000
+
+ENTRYPOINT ["python3", "main.py"]

main.py

@@ -1,5 +1,3 @@
-from flask import Flask
-from server import app
 import server
 from gunicorn.app.base import BaseApplication
 import os
@@ -21,22 +19,20 @@ class GunicornApp(BaseApplication):
         return self.application
 
 
-
-
-if __name__ == '__main__':
+if __name__ == "__main__":
     dotenv.load_dotenv()
 
-    workers = os.getenv('WORKERS', 1)
-    threads = os.getenv('THREADS', 2)
+    workers = os.getenv("WORKERS", 1)
+    threads = os.getenv("THREADS", 2)
     workers = int(workers)
     threads = int(threads)
 
     options = {
-        'bind': '0.0.0.0:5000',
-        'workers': workers,
-        'threads': threads,
+        "bind": "0.0.0.0:5000",
+        "workers": workers,
+        "threads": threads,
     }
 
     gunicorn_app = GunicornApp(server.app, options)
-    print(f'Starting server with {workers} workers and {threads} threads', flush=True)
+    print(f"Starting server with {workers} workers and {threads} threads", flush=True)
     gunicorn_app.run()

templates/schedule.html

@@ -37,7 +37,7 @@
                     <thead>
                         <tr>
                             <th>Date</th>
-                            <th>Discussion Leader</th>
+                            <th>Discussion Leaders</th>
                             <th>Study Topic</th>
                         </tr>
                     </thead>