refactor docker startup to use supervisord

backend/Dockerfile

@@ -12,7 +12,7 @@ WORKDIR /code
 
 # Install system dependencies (Nginx included)
 RUN apt-get update \
-    && apt-get install -y git postgresql-client gdal-bin libgdal-dev nginx \
+    && apt-get install -y git postgresql-client gdal-bin libgdal-dev nginx supervisor \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
@@ -31,6 +31,9 @@ COPY ./server /code/
 # Copy Nginx configuration
 COPY ./nginx.conf /etc/nginx/nginx.conf
 
+# Copy Supervisor configuration
+COPY ./supervisord.conf /etc/supervisor/conf.d/supervisord.conf
+
 # Collect static files
 RUN python3 manage.py collectstatic --noinput --verbosity 2
 
@@ -41,5 +44,5 @@ RUN chmod +x /code/entrypoint.sh
 # Expose ports for NGINX and Gunicorn
 EXPOSE 80 8000
 
-# Command to start Nginx and Gunicorn
+# Command to start Supervisor (which starts Nginx and Gunicorn)
-CMD ["bash", "-c", "service nginx start && /code/entrypoint.sh"]
+CMD ["supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]

backend/entrypoint.sh

@@ -62,5 +62,8 @@ fi
 
 cat /code/adventurelog.txt
 
-# Start gunicorn
+# Start Gunicorn in foreground
-gunicorn main.wsgi:application --bind [::]:8000 --timeout 120 --workers 2
+exec gunicorn main.wsgi:application \
+    --bind 0.0.0.0:8000 \
+    --workers 4 \
+    --timeout 120

backend/supervisord.conf

@@ -0,0 +1,10 @@
+[supervisord]
+nodaemon=true
+
+[program:nginx]
+command=/usr/sbin/nginx -g "daemon off;"
+autorestart=true
+
+[program:gunicorn]
+command=/code/entrypoint.sh
+autorestart=true

frontend/startup.sh

@@ -2,4 +2,4 @@
 
 echo "The origin to be set is: $ORIGIN"
 # Start the application
-ORIGIN=$ORIGIN node build
+ORIGIN=$ORIGIN exec node build