Upgrade js-yaml [CROM-6825] (#736)

* Changed to get dev ui docker image building

* Create volume for config file to be mounted into

* Targeted package upgrades

* Clarify test doc

* PR feedback

cromwell-instance-compose.yml

@@ -10,6 +10,7 @@ services:
       service: jmui
     command: ["npm", "run-script", "ng", "--", "serve", "--host", "jmui"]
     volumes:
+      - /ui/src/assets/environments/
       - ${PWD}/ui/assets/environments/environment.cromwell.instance.json:/ui/src/assets/environments/environment.json
   cromwell:
     build:

ui/Dockerfile.dev

@@ -1,6 +1,9 @@
 # Note: This is the dockerfile for development purposes
 
-FROM node
+FROM node:14
+
+# Install python 2, needed for npm packages
+RUN apt-get update && apt-get -y install python
 
 WORKDIR /ui
 ADD package-lock.json package.json /ui/

ui/README.md

@@ -17,7 +17,7 @@ ng generate directive|pipe|service|class|guard|interface|enum|module
 Run `ng build` to build the project. The build artifacts will be stored in the `dist/` directory. Use the `-prod` flag for a production build.
 
 ## Running Tests
-Unit tests are run via [Karma](https://karma-runner.github.io).
+Unit tests are run via [Karma](https://karma-runner.github.io). Tests are typically run in CI after PR creation, not locally.
 ```
 npm test
 ```