Update Dockerfile

Dockerfile

@@ -6,6 +6,8 @@ RUN mkdir ./frontend
 COPY ./frontend/package.json ./frontend/package-lock.json ./frontend/
 WORKDIR /app/frontend
 RUN npm install -g [email protected]
+# It's OK to have multiple consecutive `RUN` instructions.
+# hadolint ignore=DL3059
 RUN npm install
 
 WORKDIR /app
@@ -14,32 +16,29 @@ COPY ./frontend ./frontend
 WORKDIR /app/frontend
 RUN npm run build
 
-# Step #2: Set up Python environment and install dependencies
-FROM python:3.10.13-slim-bullseye
-RUN apt-get update && apt-get install -y nginx \
+FROM python:3.10.13-slim-bullseye 
+RUN apt-get update && apt-get install -y nginx  \
     && rm -rf /var/lib/apt/lists/*
 
+# hadolint ignore=DL3013
 RUN python3 -m pip install --upgrade pip \
     && pip install gunicorn==20.1.0
 
+
+
 COPY ./backend ./backend
 RUN pip install -r ./backend/requirements.txt
 
-# Step #3: Configure nginx and flask
-COPY --from=build-step /app/frontend/build /var/www/html
+# Step #3: configure nginx and flask
+COPY --from=build-step /app/frontend/build /usr/share/nginx/html
 COPY deployment/docker/nginx.conf /etc/nginx/sites-enabled/default
 COPY deployment/docker/serve.sh .
-RUN chmod +x ./serve.sh
-
-# Ensure nginx can write to necessary directories
-RUN mkdir -p /var/lib/nginx/body /var/lib/nginx/proxy /var/lib/nginx/fastcgi /var/lib/nginx/uwsgi /var/lib/nginx/scgi /var/log/nginx /var/www/html \
-    && touch /var/log/nginx/error.log /var/log/nginx/access.log \
-    && chown -R www-data:www-data /var/lib/nginx /var/log/nginx /var/www/html \
-    && chmod -R 755 /var/lib/nginx /var/log/nginx /var/www/html
-
-# Remove the user directive if present
-RUN sed -i '/^user /d' /etc/nginx/nginx.conf
+RUN chmod a+x ./serve.sh
 
+# run server
 EXPOSE 80
 ENTRYPOINT ["/bin/bash"]
-CMD ["./serve.sh"]
+# Run with single core by default. Override this to run with more
+# workers. It is also possible to pass it any number of gunicorn
+# arguments.
+CMD ["./serve.sh"]