Trying with reflex dockerfile

Dockerfile

@@ -1,51 +1,51 @@
-# Use Python 3.11 base image
-FROM python:3.11
+# This Dockerfile is used to deploy a single-container Reflex app instance
+# to services like Render, Railway, Heroku, GCP, and others.
+
+# It uses a reverse proxy to serve the frontend statically and proxy to backend
+# from a single exposed port, expecting TLS termination to be handled at the
+# edge by the given platform.
+FROM python:3.13
+
+# If the service expects a different port, provide it here (f.e Render expects port 10000)
+ARG PORT=8080
+# Only set for local/direct access. When TLS is used, the API_URL is assumed to be the same as the frontend.
+ARG API_URL
+ENV PORT=$PORT API_URL=${API_URL:-http://localhost:$PORT} REDIS_URL=redis://localhost PYTHONUNBUFFERED=1
+
+# Install Caddy and redis server inside image
+RUN apt-get update -y && apt-get install -y caddy redis-server && rm -rf /var/lib/apt/lists/*
 
 # Create a non-root user for security
 RUN useradd -m -u 1000 user
 
-# Set environment variables and paths
-ENV PATH="/home/user/.local/bin:/app/prompt_order_experiment:$PATH"
-
-# Set work directory
+# Switch to the app directory
 WORKDIR /app
 
-# Install necessary tools and dependencies as root
-RUN apt-get update -y && apt-get install -y \
-    caddy \
-    redis-server \
-    && apt-get clean && rm -rf /var/lib/apt/lists/*
+# Copy local context to `/app` inside container (see .dockerignore)
+COPY . .
 
-# Install Python requirements as root
-COPY ./requirements.txt requirements.txt
-RUN pip install --no-cache-dir --upgrade -r requirements.txt
-
-# Switch to the non-root user
-USER user
+# Adjust permissions for the app directory to allow the non-root user to access it
+RUN chown -R user:user /app
 
-# Copy application code
-COPY --chown=user . .
+# Install app requirements and reflex in the container
+RUN pip install -r requirements.txt
 
-# Switch back to root to perform privileged operations
-USER root
+# Deploy templates and prepare app
+RUN reflex init
 
-# Compile frontend assets and move to /srv
+# Download all npm dependencies and compile frontend
 RUN reflex export --frontend-only --no-zip && mv .web/_static/* /srv/ && rm -rf .web
 
-# Needed until Reflex properly passes SIGTERM on backend.
-STOPSIGNAL SIGKILL
-
-# Ensure the non-root user has ownership of the app directory
-RUN chown -R user:user /app
-
-# Revert to non-root user for running the app
+# Switch to non-root user
 USER user
 
-# Apply migrations before starting the backend (if applicable)
-RUN [ -d alembic ] && reflex db migrate || true
+# Needed until Reflex properly passes SIGTERM on backend.
+STOPSIGNAL SIGKILL
 
-# Expose the default port
-EXPOSE 8080
+EXPOSE $PORT
 
-# Set the entry point for the container
-ENTRYPOINT ["reflex", "run", "--env", "dev", "--loglevel", "debug"]
+# Apply migrations before starting the backend.
+CMD [ -d alembic ] && reflex db migrate; \
+    caddy start && \
+    redis-server --daemonize yes && \
+    exec reflex run --env prod --backend-only