build(Dockerfile): fix pr merge issues

Dockerfile

@@ -1,6 +1,36 @@
+# Base image for building
+ARG LITELLM_BUILD_IMAGE=python:3.9
 
 # Runtime image
 ARG LITELLM_RUNTIME_IMAGE=python:3.9-slim
+# Builder stage
+FROM $LITELLM_BUILD_IMAGE as builder
+
+# Set the working directory to /app
+WORKDIR /app
+
+# Install build dependencies
+RUN apt-get clean && apt-get update && \
+    apt-get install -y gcc python3-dev && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN pip install --upgrade pip && \
+    pip install build
+
+# Copy the current directory contents into the container at /app
+COPY . .
+
+# Build the package
+RUN rm -rf dist/* && python -m build
+
+# There should be only one wheel file now, assume the build only creates one
+RUN ls -1 dist/*.whl | head -1
+
+# Install the package
+RUN pip install dist/*.whl
+
+# install dependencies as wheels
+RUN pip wheel --no-cache-dir --wheel-dir=/wheels/ -r requirements.txt
 
 # Runtime stage
 FROM $LITELLM_RUNTIME_IMAGE as runtime
@@ -12,8 +42,8 @@ COPY . .
 RUN ls -la /app
 
 # Copy the built wheel from the builder stage to the runtime stage; assumes only one wheel file is present
-COPY --from=runtime /app/dist/*.whl .
-COPY --from=runtime /wheels/ /wheels/
+COPY --from=builder /app/dist/*.whl .
+COPY --from=builder /wheels/ /wheels/
 
 # Install the built wheel using pip; again using a wildcard if it's the only file
 RUN pip install --no-cache-dir --find-links=/wheels/ -r requirements.txt \
@@ -30,8 +60,8 @@ RUN if [ "$with_database" = "true" ]; then \
       /app/retry_push.sh; \
     fi
 
-EXPOSE 8000/tcp
+EXPOSE 4000/tcp
 
 # Set your entrypoint and command
 ENTRYPOINT ["litellm"]
-CMD ["--config", "./proxy_server_config.yaml", "--port", "8000", "--num_workers", "8"]
+CMD ["--port", "4000"]