comp review todo app update (#146)

* new todo frontend

* yarn --> npm

* basic Dockerfile

* add Helm chart for todo list

* backend working

* connect new-app'd frontend to backend via proxy_pass

* move nginx conf

* move nginx conf back

* move helm chart to course repo

* add simple SSR node.js service

* log error message

* fix host typo

* fix dockerfiles

* add link to items page

* improve probe route for todo-backend

* canary probe route for todo-backend

* Dockerfile -> Containerfile todo-backend

* Dockerfile -> Containerfile todo-frontend

* remove commands for containerfile as part of comp review

todo-backend/Containerfile

@@ -0,0 +1,26 @@
+# https://github.com/sclorg/s2i-nodejs-container
+FROM registry.access.redhat.com/ubi8/nodejs-14
+
+LABEL version="1.0"
+LABEL description="To Do List application backend"
+LABEL creationDate="2017-12-25"
+LABEL updatedDate="2021-05-19"
+
+USER 0
+
+COPY . /opt/app-root/src
+
+RUN cd /opt/app-root/src && \
+    npm install && \
+    npm run build
+
+ENV DATABASE_SVC=192.168.0.10
+ENV DATABASE_PORT=3306
+ENV DATABASE_PASSWORD=secret-pass
+ENV PORT=3000
+
+EXPOSE 3000
+
+USER 1001
+
+CMD npm start