Fix here-document syntax error in runtime config generation and Go module initialization

start.sh

@@ -1071,9 +1071,10 @@ else
     cd /tmp/mock-server
     
     # Initialize a proper Go module
+    echo "==> Initializing Go module for mock API server"
     go mod init mock-server
     
-    # Write the program to a file
+    # Write the program to a file with proper quoting
     cat > main.go << 'GOMOCK'
 package main
 
@@ -1455,16 +1456,23 @@ func main() {
 }
 GOMOCK
     
-    # Unset any module-related flags before running standalone Go program
+    # Completely unset Go module-related environment variables 
     echo "==> Unsetting module flags before building mock server"
     unset GO111MODULE
     unset GOFLAGS
     unset GOMODCACHE
+    unset GOPATH
     
     # Build and run the mock server in the background
     echo "==> Building and starting mock API server on port 8080"
+    ls -la
     
-    if go build -o mock_server; then
+    # Show go.mod for debugging
+    echo "==> Go module file contents:"
+    cat go.mod
+    
+    # Build the mock server (explicitly in current directory)
+    if go build -o mock_server .; then
         echo "==> Successfully compiled mock API server"
         
         # Create log directory if it doesn't exist
@@ -1478,7 +1486,7 @@ GOMOCK
         
         # Wait to ensure the server is up
         echo "==> Waiting for server to start..."
-        sleep 3
+        sleep 5  # Increased sleep time for better reliability
         
         # Check if the server is actually running
         if ps -p $SERVER_PID > /dev/null; then
@@ -1490,7 +1498,7 @@ GOMOCK
             else
                 echo "==> WARNING: Mock API server doesn't appear to be listening on port 8080"
                 echo "==> Checking server logs:"
-                tail -n 20 /app/data/logs/mock_server.log
+                tail -n 30 /app/data/logs/mock_server.log
             fi
         else
             echo "==> ERROR: Mock API server failed to start"
@@ -1499,9 +1507,13 @@ GOMOCK
         fi
     else
         echo "==> ERROR: Failed to build mock API server"
-        # Print Go version for debugging
+        # Print Go version and current directory for debugging
         go version
-        # Set a bogus server PID to prevent unbound variable error
+        pwd
+        ls -la
+        echo "==> Current directory content:"
+        cat main.go | head -10
+        # Set a fallback value for SERVER_PID
         SERVER_PID=0
     fi
 fi
@@ -1865,7 +1877,7 @@ EOT
     # Create runtime-config.js files in writable locations
     echo "==> Creating runtime-config.js in writable location"
     mkdir -p /app/data/web
-    cat > /app/data/web/runtime-config.js <<EOT
+    cat > /app/data/web/runtime-config.js << 'EOT'
     // Runtime configuration for Ente
     window.ENTE_CONFIG = {
         API_URL: '${API_ENDPOINT}',
@@ -1894,6 +1906,10 @@ EOT
     console.log('PUBLIC_ALBUMS_URL:', window.ENTE_CONFIG.PUBLIC_ALBUMS_URL);
     EOT
 
+    # Update the variables in the runtime config
+    sed -i "s|\${API_ENDPOINT}|${API_ENDPOINT}|g" /app/data/web/runtime-config.js
+    sed -i "s|\${CLOUDRON_APP_ORIGIN}|${CLOUDRON_APP_ORIGIN}|g" /app/data/web/runtime-config.js
+
     # Ensure runtime-config.js is readable
     chmod 644 /app/data/web/runtime-config.js