fix: some improvements

Dockerfile

@@ -1,7 +1,8 @@
 FROM ubuntu:focal as app
 
-RUN apt-get update && apt-get upgrade -y
-RUN apt update && \
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN apt update && apt-get install -qy \
   curl \
   vim \
   git-core \
@@ -28,6 +29,7 @@ ENV ANALYTICS_DASHBOARD_CFG "${ANALYTICS_DASHBOARD_CFG}"
 
 ARG COMMON_APP_DIR="/edx/app"
 ARG INSIGHTS_APP_DIR="${COMMON_APP_DIR}/insights"
+ENV INSIGHTS_APP_DIR ${INSIGHTS_APP_DIR}
 ARG SUPERVISOR_APP_DIR="${COMMON_APP_DIR}/supervisor"
 ARG INSIGHTS_VENV_DIR="${COMMON_APP_DIR}/insights/venvs/insights"
 ARG SUPERVISOR_VENVS_DIR="${SUPERVISOR_APP_DIR}/venvs"
@@ -80,7 +82,6 @@ COPY /configuration_files/supervisorctl ${SUPERVISOR_VENV_BIN}/supervisorctl
 # insights service config commands below
 RUN pip install -r ${INSIGHTS_CODE_DIR}/requirements/production.txt 
 
-
 RUN nodeenv ${INSIGHTS_NODEENV_DIR} --node=${INSIGHTS_NODE_VERSION} --prebuilt
 RUN npm install -g npm@${INSIGHTS_NPM_VERSION}
 
@@ -94,10 +95,6 @@ RUN npm set progress=false && npm ci
 
 COPY configuration_files/insights.yml /edx/etc/insights.yml
 
-# Should we run the static assets related step within the dockerfile or delegate these to provisioning steps of devstack...?
-RUN webpack --config webpack.prod.config.js
-RUN python3 manage.py collectstatic --noinput
-
 # Enable supervisor script
 COPY /scripts/insights.sh ${INSIGHTS_APP_DIR}/insights.sh
 COPY /configuration_files/insights.conf ${SUPERVISOR_AVAILABLE_DIR}/insights.conf
@@ -108,28 +105,31 @@ COPY /manage.py /edx/bin/manage.insights
 EXPOSE 8110
 EXPOSE 18110
 
-USER insights
 
 FROM app as production
 
 # DJANGO_SETTINGS_MODULE was defined previously in `insights-env` file and sourced from there while running the devstack. To me it makes more sense to define
 # this variable within the Dockerfile and it will also eliminate the use of two different files(devstack-env, production-env)
 ENV DJANGO_SETTINGS_MODULE "analytics_dashboard.settings.production"
 
-ENTRYPOINT ["${REGISTRAR_APP_DIR}/insights.sh"]
+# For devstack these are run from the provisioning steps and hence no need for them in the dev target.
+RUN webpack --config webpack.prod.config.js
+RUN python3 manage.py collectstatic --noinput
+
+ENTRYPOINT ["${INSIGHTS_APP_DIR}/insights.sh"]
 
 FROM app as dev
 
-RUN . ${INSIGHTS_VENV_DIR}/bin/activate && \
-  pip install -r ${INSIGHTS_CODE_DIR}/requirements/local.txt && \
-  deactivate
+RUN pip install -r requirements/local.txt
 
 ENV DJANGO_SETTINGS_MODULE "analytics_dashboard.settings.devstack"
 
-COPY scripts/devstack.sh ${INSIGHTS_APP_DIR}/devstack.sh
+COPY /scripts/devstack.sh ${INSIGHTS_APP_DIR}/devstack.sh
 COPY /configuration_files/insights-env ${INSIGHTS_APP_DIR}/insights_env
 
 RUN chown insights:insights ${INSIGHTS_APP_DIR}/devstack.sh && chmod a+x ${INSIGHTS_APP_DIR}/devstack.sh
-ENTRYPOINT ["${INSIGHTS_APP_DIR}/devstack.sh"]
+
+
+ENTRYPOINT ["/edx/app/insights/devstack.sh"]
 
 CMD ["start"]