Fix Docker build context and file paths for gtm-app

gtm-architect/Dockerfile

@@ -1,10 +1,17 @@
 # Stage 1: Build the React frontend
 FROM node:18-slim AS builder
 WORKDIR /app
-COPY package.json ./
-# Use --force to avoid issues with dependency versions
+
+# Copy package.json from the subdirectory (relative to project root)
+COPY gtm-architect/package.json ./
+
+# Install dependencies
 RUN npm install --force
-COPY . .
+
+# Copy the rest of the frontend source code
+COPY gtm-architect/ ./
+
+# Build the frontend
 RUN npm run build
 
 # Stage 2: Setup the production environment
@@ -19,16 +26,16 @@ RUN apt-get update && apt-get install -y curl && \
 # Copy built frontend from builder stage
 COPY --from=builder /app/dist ./gtm-architect/dist
 
-# Copy backend files and application code
+# Copy backend files and application code (paths relative to project root)
 COPY gtm-architect/server.cjs ./gtm-architect/
 COPY gtm-architect/package.json ./gtm-architect/
 COPY gtm_architect_orchestrator.py .
 COPY helpers.py .
 COPY config.py .
+# Use the specific requirements file for this app
 COPY gtm-architect/requirements.txt .
 COPY gtm_db_manager.py .
 
-
 # Install Python and Node.js dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 RUN cd gtm-architect && npm install --production
@@ -37,4 +44,4 @@ RUN cd gtm-architect && npm install --production
 EXPOSE 3005
 
 # Command to run the server
-CMD ["node", "gtm-architect/server.cjs"]
+CMD ["node", "gtm-architect/server.cjs"]