(feat) - allow building litellm proxy from pip package (#7633)

* fix working build from pip

* add tests for proxy_build_from_pip_tests

* doc clean up for deployment

* docs cleanup

* docs build from pip

* fix cd docker/build_from_pip

docker/build_from_pip/Dockerfile.build_from_pip

@@ -0,0 +1,23 @@
+FROM cgr.dev/chainguard/python:latest-dev
+
+USER root
+WORKDIR /app
+
+ENV HOME=/home/litellm
+ENV PATH="${HOME}/venv/bin:$PATH"
+
+# Install runtime dependencies
+RUN apk update && \
+    apk add --no-cache gcc python3-dev openssl openssl-dev
+
+RUN python -m venv ${HOME}/venv
+RUN ${HOME}/venv/bin/pip install --no-cache-dir --upgrade pip
+
+COPY requirements.txt .
+RUN --mount=type=cache,target=${HOME}/.cache/pip \
+    ${HOME}/venv/bin/pip install -r requirements.txt
+
+EXPOSE 4000/tcp
+
+ENTRYPOINT ["litellm"]
+CMD ["--port", "4000"]

docker/build_from_pip/Readme.md

@@ -0,0 +1,9 @@
+# Docker to build LiteLLM Proxy from litellm pip package
+
+### When to use this ?
+
+If you need to build LiteLLM Proxy from litellm pip package, you can use this Dockerfile as a reference.
+
+### Why build from pip package ?
+
+- If your company has a strict requirement around security / building images you can follow steps outlined here 

docker/build_from_pip/litellm_config.yaml

@@ -0,0 +1,9 @@
+model_list:
+  - model_name: "gpt-4"
+    litellm_params:
+      model: openai/fake
+      api_key: fake-key
+      api_base: https://exampleopenaiendpoint-production.up.railway.app/
+
+general_settings:    
+    alerting: ["slack"]

docker/build_from_pip/requirements.txt

@@ -0,0 +1,4 @@
+litellm[proxy]==1.57.3 # Specify the litellm version you want to use
+prometheus_client
+langfuse
+prisma