update dockerfile

Dockerfile

@@ -2,14 +2,14 @@
 
 # to build for a development environment, run the following command:
 # docker build --build-arg build_env=dev -t coldfront --ssh default . --network=host
-LABEL org.opencontainers.image.source=https://github.com/fasrc/coldfront
-LABEL org.opencontainers.image.description="fasrc coldfront application"
-
 FROM python:3.10
 
 ARG build_env=production
 ENV BUILD_ENV=$build_env
 
+LABEL org.opencontainers.image.source=https://github.com/fasrc/coldfront
+LABEL org.opencontainers.image.description="fasrc coldfront application"
+
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
     && apt-get install -y redis redis-server \