Update Dockerfile

Dockerfile

@@ -8,12 +8,12 @@ RUN mkdir /dep
 WORKDIR /dep
 RUN git clone https://github.com/jaigouk/claude-proxy-api.git
 WORKDIR /dep/claude-proxy-api
-RUN pip install -r requirements.txt
-COPY --chown=user proxy.env ./.env
 
 RUN useradd -m -u 1000 user
 USER user
 ENV PATH="/home/user/.local/bin:$PATH"
+RUN pip install -r requirements.txt
+COPY --chown=user proxy.env ./.env
 
 WORKDIR /app