Do not install everytime for new projects

Dockerfile

@@ -20,8 +20,8 @@ ENV MC_PROJECT_DIR=/motion-canvas/my-animation
 COPY docker/vite.config.ts ./vite.config.ts
 
 # if we build here, we have to clean up the project every time before building a new one...
-#RUN npm install
-#RUN npm run build
+RUN npm install
+RUN npm run build
 
 # clone examples
 ENV MC_EXAMPLE_DIR=/motion-canvas/examples

app.py

@@ -27,6 +27,7 @@ def get_public_path(project_id):
 
 def build_project(code):
     # TODO: as soon as gradio supports states, we should keep the project_id for some time...
+    # TODO: In the best case, we start a separate container for each project!
     yield loading_project_path, "Preparing project...", 
 
     # generate a random uuid for the project
@@ -34,7 +35,7 @@ def build_project(code):
 
     tmp_dir = os.path.join("/tmp/", project_id)
 
-    shutil.copytree(os.environ['MC_PROJECT_DIR'], tmp_dir, dirs_exist_ok=False)
+    shutil.copytree(os.environ['MC_PROJECT_DIR'], tmp_dir, dirs_exist_ok=False, symlinks=True)
     acc_logs = ""
     
     try:
@@ -45,7 +46,7 @@ def build_project(code):
             f.write(code)
 
         process = subprocess.Popen(
-            "npm install && npm run build",
+            "npm run build",
             stdout=subprocess.PIPE,
             stderr=subprocess.PIPE,
             text=True,
@@ -95,7 +96,7 @@ def build_example(example_name):
         continue
 
     path = last[0]
-    assert path
+    assert path, "Failed to build example: " + last[1]
     return path
 
 print("Building examples...")
@@ -127,7 +128,6 @@ print("Examples built!")
 def load_example(example):
     return example['project_path'], example['code'], ""
 
-
 with gr.Blocks(theme=gr.themes.Monochrome()) as demo:
     gr.Markdown("# Motion Canvas MCP Server")
     with gr.Row():