fix(docker): copy static dir from build stage

ensure it exists (else assumed to be created by CI)

Dockerfile

@@ -8,6 +8,8 @@ RUN python -m pip install --upgrade pip
 COPY . .
 RUN git config --global --add safe.directory /build
 
+RUN mkdir -p static
+
 # build as root user so unnecessary files are not copied into tarball
 USER root
 RUN pip install build && python -m build
@@ -19,6 +21,7 @@ WORKDIR /home/calitp/app
 ENV FLASK_APP=eligibility_server.app:app
 
 COPY --from=build_wheel /build/dist /build/dist
+COPY --from=build_wheel /build/static static
 
 # copy source files
 COPY bin bin