Update Dockerfile

Dockerfile

@@ -1,14 +1,16 @@
 # ---- Base Stage ----
-FROM ghcr.io/astral-sh/uv:python3.13-bookworm-slim
+FROM ghcr.io/astral-sh/uv:python3.13-bookworm-slim AS base
 WORKDIR /app
 
-
+# ---- Builder Stage ----
+FROM base AS builder
 COPY pyproject.toml .
 RUN uv venv && \
     . .venv/bin/activate && \
     uv pip install . --no-cache-dir
 
-
+# ---- Final Stage ----
+FROM base AS final
 ENV WARP_LOG_LEVEL=info
 ENV WARP_ACCESS_LOG=true
 ENV OPENAI_LOG_LEVEL=info