Add Nginx testing and fix non-root configuration

nginx.conf

@@ -1,5 +1,6 @@
+# Note: user directive removed for non-root operation
 worker_processes 1;
-error_log /dev/stdout info;
+error_log stderr info;
 pid /run/nginx/nginx.pid;
 
 events {
@@ -32,13 +33,14 @@ http {
         }
 
         # Viewer route
-        location /viewer/ {
-            proxy_pass http://viewer/viewer/;
+        location /proxy/3939/viewer {
+            proxy_pass http://viewer/viewer;
             proxy_http_version 1.1;
             proxy_set_header Upgrade $http_upgrade;
             proxy_set_header Connection "upgrade";
             proxy_set_header Host $host;
             proxy_set_header X-Real-IP $remote_addr;
+            proxy_read_timeout 86400;
         }
     }
 } 

start.sh

@@ -1,6 +1,22 @@
 #!/bin/bash
 
-# Start Nginx
+# Run Nginx tests
+echo "Running Nginx tests..."
+if ! ./test_nginx.sh; then
+    echo "Nginx tests failed. Check permissions and configuration."
+    exit 1
+fi
+
+# Create required directories with correct permissions
+mkdir -p /var/log/nginx
+chmod 777 /var/log/nginx
+touch /var/log/nginx/error.log
+chmod 666 /var/log/nginx/error.log
+touch /var/log/nginx/access.log
+chmod 666 /var/log/nginx/access.log
+
+# Start Nginx without user directive
+sed -i 's/^user/#user/' /etc/nginx/nginx.conf
 nginx
 
 # Start the application on port 7861 (Nginx will proxy from 7860)

test_nginx.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+# Function to log messages
+log_msg() {
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1"
+}
+
+# Test Nginx directories and permissions
+test_nginx() {
+    log_msg "Testing Nginx configuration..."
+
+    # Test directory existence and permissions
+    directories=(
+        "/var/log/nginx"
+        "/var/lib/nginx"
+        "/var/lib/nginx/body"
+        "/run/nginx"
+        "/etc/nginx"
+    )
+
+    for dir in "${directories[@]}"; do
+        if [ ! -d "$dir" ]; then
+            log_msg "ERROR: Directory $dir does not exist"
+            return 1
+        fi
+        
+        # Test write permissions
+        if ! touch "$dir/test_file" 2>/dev/null; then
+            log_msg "ERROR: Cannot write to $dir"
+            return 1
+        fi
+        rm -f "$dir/test_file"
+        
+        log_msg "OK: $dir exists and is writable"
+    done
+
+    # Test Nginx configuration
+    if ! nginx -t; then
+        log_msg "ERROR: Nginx configuration test failed"
+        return 1
+    fi
+
+    log_msg "Nginx configuration test passed"
+    return 0
+}
+
+# Run the test
+test_nginx