Migrate from npm to yarn (gardener#487)

* Migrate from npm to yarn
* Update readme files

.dockerignore

@@ -2,17 +2,20 @@
 **
 
 # include backend files and folders
-!backend/package*.json
+!backend/package.json
+!backend/yarn.lock
 !backend/.babelrc
 !backend/.eslintrc.js
 !backend/.nycrc
+!backend/*.config.js
 !backend/server.js
 !backend/lib
 !backend/bin
 !backend/test
 
 # include frontend folder
-!frontend/package*.json
+!frontend/package.json
+!frontend/yarn.lock
 !frontend/.browserslistrc
 !frontend/.editorconfig
 !frontend/.env
@@ -24,6 +27,8 @@
 !frontend/tests
 
 # include metadata files
+!package.json
+!yarn.lock
 !LICENSE.md
 !NOTICE.md
 !VERSION

Dockerfile

@@ -14,44 +14,23 @@
 # limitations under the License.
 #
 
-#### Base ####
-FROM node:12-alpine as base
+#### Builder ####
+FROM node:12-alpine as builder
 
 WORKDIR /usr/src/app
 
-RUN npm set progress=false \
-    && npm config set depth 0
+COPY . .
 
-#### Backend base ####
-FROM base as backend
-
-COPY backend/package*.json ./
-
-RUN npm install --only=production \
-    && cp -R node_modules dist \
-    && npm install
-
-COPY backend ./
-COPY VERSION ../
-COPY Dockerfile ../
-
-RUN npm run lint \
-    && npm run test-cov \
-    && npm run sync-version
-
-#### Frontend  base ####
-FROM base as frontend
-
-COPY frontend/package*.json ./
-
-RUN npm install
-
-COPY frontend ./
-COPY VERSION ../
-
-RUN npm run lint \
-    && npm run test:unit \
-    && npm run build
+RUN yarn --cwd=backend install --no-progress --production \
+    && cp -R backend/node_modules backend/production_node_modules \
+    && yarn --cwd=backend install --no-progress \
+    && yarn --cwd=backend lint \
+    && yarn --cwd=backend test:coverage \
+    && yarn --cwd=backend sync-version \
+    && yarn --cwd=frontend install --no-progress \
+    && yarn --cwd=frontend lint \
+    && yarn --cwd=frontend test:unit \
+    && yarn --cwd=frontend build
 
 # Release
 FROM alpine:3.9 as release
@@ -67,14 +46,13 @@ ENV NODE_ENV production
 ARG PORT=8080
 ENV PORT $PORT
 
-COPY --from=backend /usr/local/bin/node /usr/local/bin/
+COPY --from=builder /usr/local/bin/node /usr/local/bin/
 
-COPY --from=backend /usr/src/app/package.json ./
-COPY --from=backend /usr/src/app/dist  ./node_modules/
-COPY --from=backend /usr/src/app/lib ./lib/
-COPY --from=backend /usr/src/app/server.js ./
+COPY --from=builder /usr/src/app/backend/package.json /usr/src/app/backend/server.js ./
+COPY --from=builder /usr/src/app/backend/lib ./lib/
+COPY --from=builder /usr/src/app/backend/production_node_modules ./node_modules/
 
-COPY --from=frontend /usr/src/app/dist ./public/
+COPY --from=builder /usr/src/app/frontend/dist ./public/
 
 USER node
 

README.md

@@ -10,20 +10,10 @@
 
 ### Install
 
-Install client dependencies
+Install all dependencies
 
 ```sh
-pushd frontend
-npm install
-popd
-```
-
-Install server dependencies
-
-```sh
-pushd backend
-npm install
-popd
+yarn
 ```
 
 ### Configuration
@@ -63,18 +53,10 @@ frontend:
 
 ## Run locally <small style="color: grey; font-size: 0.7em">(during development)</small>
 
-Run local backend server with hot reload listening on port `3030`.
-
-```sh
-cd backend
-npm run dev
-```
-
-Run local frontend server with hot reload istening on port `8080`.
+Concurrently run the backend server (port `3030`) and the frontend server (port `8080`) both with hot reload enabled.
 
 ```sh
-cd frontend
-npm run serve
+yarn serve
 ```
 
 All request to `/api`, `/auth` and `/config.json` will be proxied by default to the backend server.

backend/README.md

@@ -6,22 +6,22 @@ Setup
 
 ``` bash
 # install dependencies
-npm install
+yarn
 
 # run server at localhost:3030
-npm run start
+yarn start
 
 # run server with hot reload at localhost:3030
-npm run dev
+yarn serve
 
 # run static code checks
-npm run lint
+yarn lint
 
 # run tests without coverage
-npm run test
+yarn test
 
 # run tests with coverage
-npm run test-cov
+yarn test:coverage
 
 ```