fix(docker-build): refine start.sh for pre-install at docker build

Dockerfile

@@ -4,6 +4,8 @@ FROM python:3.11-slim-bookworm AS base
 ARG MINIMUM_BUILD
 ARG USE_CUDA
 ARG USE_CUDA_VER
+ARG PIPELINES_URLS
+ARG PIPELINES_REQUIREMENTS_PATH
 
 ## Basis ##
 ENV ENV=prod \
@@ -39,11 +41,25 @@ RUN if [ "$MINIMUM_BUILD" = "true" ]; then \
         uv pip install --system -r requirements.txt --no-cache-dir; \
     fi
 
+
+# Layer on for other components
+FROM base AS app
+
+ENV PIPELINES_URLS=${PIPELINES_URLS} \
+    PIPELINES_REQUIREMENTS_PATH=${PIPELINES_REQUIREMENTS_PATH}
+
 # Copy the application code
 COPY . .
 
+# Run a docker command if either PIPELINES_URLS or PIPELINES_REQUIREMENTS_PATH is not empty
+RUN if [ -n "$PIPELINES_URLS" ] || [ -n "$PIPELINES_REQUIREMENTS_PATH" ]; then \
+    echo "Running docker command with PIPELINES_URLS or PIPELINES_REQUIREMENTS_PATH"; \
+    ./start.sh --mode setup; \
+    fi
+
 # Expose the port
 ENV HOST="0.0.0.0"
 ENV PORT="9099"
 
+# if we already installed the requirements on build, we can skip this step on run
 ENTRYPOINT [ "bash", "start.sh" ]