update Dockerfile

Dockerfile

@@ -16,14 +16,13 @@ ENV CHROME_BIN="/usr/bin/chromium" \
 RUN npm install -g @mermaid-js/mermaid-cli &&\
     npm cache clean --force
 
+WORKDIR /app
+
 # Install Python dependencies and install MetaGPT
 COPY requirements.txt requirements.txt
 
-RUN pip install --no-cache-dir -r requirements.txt
-
-WORKDIR /app
-
-RUN mkdir -p /app/logs && chmod 777 /app/logs && \
+RUN pip install --no-cache-dir -r requirements.txt && \
+    mkdir -p /app/logs && chmod 777 /app/logs && \
     mkdir -p /app/workspace && chmod 777 /app/workspace && \
     mkdir -p /app/storage && chmod 777 /app/storage