Use app.constants.template file for container env customization (#1901)

* Replace sed with dedicated app.constants.template

* Use sed for version

* Fully specify dockerignore path

Author: DavidBoike

.dockerignore

@@ -0,0 +1,2 @@
+# Generated dynamically using a template to support environment variables
+src/ServicePulse.Host/app/js/app.constants.js

src/Container/Dockerfile

@@ -23,15 +23,12 @@ LABEL org.opencontainers.image.title="ServicePulse" \
 ENV SERVICECONTROL_URL="http://localhost:33333/api/"
 ENV MONITORING_URLS="['http://localhost:33633/']"
 ENV DEFAULT_ROUTE="/dashboard"
+ENV SHOW_PENDING_RETRY="false"
 
 COPY /src/ServicePulse.Host/app /usr/share/nginx/html
+ADD /src/Container/app.constants.template /usr/share/nginx/html/js/app.constants.template
 
-RUN mv /usr/share/nginx/html/js/app.constants.js /usr/share/nginx/html/js/app.constants.template &&\
-    sed -i \
-    -e "s,http://localhost:33333/api/,\$SERVICECONTROL_URL,g" \
-    -e "s,\['http://localhost:33633/'\],\$MONITORING_URLS,g" \
-    -e "s,/dashboard,\$DEFAULT_ROUTE,g" \
-    /usr/share/nginx/html/js/app.constants.template
+RUN sed -i -e "s,__VERSION__,$VERSION,g" /usr/share/nginx/html/js/app.constants.template
 
 ADD /src/Container/nginx.conf /etc/nginx/
 ADD --chown=root:root --chmod=755 /src/Container/updateconstants.sh /docker-entrypoint.d/40-update-servicepulse-constants.sh

src/Container/README.md

@@ -15,6 +15,7 @@ docker run -p 9090:90 particular/servicepulse:latest
 - **`SERVICECONTROL_URL`**: _Default_: `http://localhost:33333/api/`. The url to your ServiceControl instance
 - **`MONITORING_URLS`**: _Default_: `['http://localhost:33633/']`. A JSON array of URLs to your monitoring instances
 - **`DEFAULT_ROUTE`**: _Default_: `/dashboard`. The default page that should be displayed when visiting the site
+- **`SHOW_PENDING_RETRY`** _Default_: `false`. Set to `true` to show details of pending retries
 
 It may be desireable to run the ServiceControl services in an isolated network. When doing so ServicePulse must be configured to connect to those services using environment variables:
 

src/Container/app.constants.template

@@ -0,0 +1,7 @@
+window.defaultConfig = {
+  default_route: '$DEFAULT_ROUTE',
+  version: '__VERSION__',
+  service_control_url: '$SERVICECONTROL_URL',
+  monitoring_urls: $MONITORING_URLS,
+  showPendingRetry: $SHOW_PENDING_RETRY,
+};