feat: Add Nginx reverse proxy configuration and a new startup script to serve FastAPI and Streamlit applications.

Dockerfile

@@ -11,6 +11,7 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 RUN apt-get update && apt-get install -y \
     git \
     dos2unix \
+    nginx \
     && rm -rf /var/lib/apt/lists/*
 
 # Create a non-root user

README.md

@@ -5,6 +5,7 @@ colorFrom: blue
 colorTo: green
 sdk: docker
 app_port: 7860
+api_docs_url: /docs
 ---
 
 # Hopcroft_Skill-Classification-Tool-Competition

nginx.conf

@@ -0,0 +1,59 @@
+worker_processes 1;
+pid /tmp/nginx.pid;
+error_log /tmp/nginx.error.log;
+
+events {
+    worker_connections 1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    access_log /tmp/nginx.access.log;
+    client_body_temp_path /tmp/client_temp;
+    proxy_temp_path       /tmp/proxy_temp;
+    fastcgi_temp_path     /tmp/fastcgi_temp;
+    uwsgi_temp_path       /tmp/uwsgi_temp;
+    scgi_temp_path        /tmp/scgi_temp;
+
+    sendfile        on;
+    keepalive_timeout  65;
+
+    upstream streamlit {
+        server 127.0.0.1:8501;
+    }
+
+    upstream fastapi {
+        server 127.0.0.1:8000;
+    }
+
+    server {
+        listen 7860;
+        server_name localhost;
+
+        # FastAPI endpoints
+        location ~ ^/(docs|redoc|openapi.json|predict|predictions|health) {
+            proxy_pass http://fastapi;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        # Streamlit (Default)
+        location / {
+            proxy_pass http://streamlit;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            
+            # Streamlit-specific settings for WebSocket
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
+            proxy_read_timeout 86400;
+        }
+    }
+}

scripts/start_space.sh

@@ -32,12 +32,15 @@ dvc pull models/random_forest_tfidf_gridsearch.pkl.dvc \
          models/label_names.pkl.dvc
 
 echo "Starting FastAPI application in background..."
-uvicorn hopcroft_skill_classification_tool_competition.main:app --host 0.0.0.0 --port 8000 &
+uvicorn hopcroft_skill_classification_tool_competition.main:app --host 127.0.0.1 --port 8000 &
 
 # Wait for API to start
 echo "Waiting for API to start..."
 sleep 10
 
+echo "Starting Nginx reverse proxy..."
+nginx -c /app/nginx.conf -g "daemon off;" &
+
 echo "Starting Streamlit application..."
-export API_BASE_URL="http://localhost:8000"
-streamlit run hopcroft_skill_classification_tool_competition/streamlit_app.py --server.port 7860 --server.address 0.0.0.0
+export API_BASE_URL="http://localhost:7860" # Use the proxy URL for the GUI if needed, or stick to 8000
+streamlit run hopcroft_skill_classification_tool_competition/streamlit_app.py --server.port 8501 --server.address 127.0.0.1