vweb: free app object for each request

.github/workflows/ci.yml

@@ -326,6 +326,15 @@ jobs:
           ../v -autofree .
           cd ..
 
+#      - name: Test c2v
+#        run: |
+#          git clone --depth 1 https://github.com/vlang/c2v
+#          cd c2v && ../v -o c2v .
+#          ../v .
+#          ../v run tests/run_tests.vsh
+#          ../v -experimental -w c2v_test.v
+#          cd ..
+
       - name: Build V UI examples
         run: |
           git clone --depth 1 https://github.com/vlang/ui

vlib/vweb/vweb.v

@@ -297,6 +297,7 @@ interface DbInterface {
 }
 
 // run_app
+[manualfree]
 pub fn run<T>(global_app &T, port int) {
 	// x := global_app.clone()
 	// mut global_app := &T{}
@@ -348,6 +349,9 @@ fn handle_conn<T>(mut conn net.TcpConn, mut app T) {
 	conn.set_write_timeout(30 * time.second)
 	defer {
 		conn.close() or {}
+		unsafe {
+			free(app)
+		}
 	}
 	mut reader := io.new_buffered_reader(reader: conn)
 	defer {