Remove yarn from project

ui/docker-dev.dockerfile

@@ -6,10 +6,9 @@ WORKDIR /app
 
 # Copy dependency-related files
 COPY package.json ./
-COPY yarn.lock ./
 
 # Install project dependencies
-RUN yarn install
+RUN npm install
 
 # Expose ports 8080, which the dev server will be bound to
 EXPOSE 8080

ui/package.json

@@ -6,26 +6,18 @@
     "dev": "vue-cli-service serve",
     "dev:e2e": "cross-env VUE_APP_TEST=e2e vue-cli-service test:e2e --mode=development",
     "build": "vue-cli-service build --modern",
-    "build:ci": "yarn build --report",
+    "build:ci": "npm build --report",
     "lint:eslint": "eslint --fix",
     "lint:stylelint": "stylelint --fix",
     "lint:markdownlint": "markdownlint",
     "lint:prettier": "prettier --write --loglevel warn",
-    "lint:all:eslint": "yarn lint:eslint --ext .js,.vue .",
-    "lint:all:stylelint": "yarn lint:stylelint \"src/**/*.{vue,scss}\"",
-    "lint:all:markdownlint": "yarn lint:markdownlint \"docs/*.md\" \"*.md\"",
-    "lint:all:prettier": "yarn lint:prettier \"**/*.{js,json,css,scss,vue,html,md}\"",
     "lint": "run-s lint:all:*",
     "test:unit": "cross-env VUE_APP_TEST=unit vue-cli-service test:unit",
-    "test:unit:file": "yarn test:unit --bail --findRelatedTests",
-    "test:unit:watch": "yarn test:unit --watch --notify --notifyMode change",
-    "test:unit:ci": "yarn test:unit --coverage --ci",
     "test:e2e": "cross-env VUE_APP_TEST=e2e vue-cli-service test:e2e --headless",
     "test": "run-s test:unit test:e2e",
     "test:ci": "run-s test:unit:ci test:e2e",
     "new": "cross-env HYGEN_TMPLS=generators hygen new",
-    "docs": "vuepress dev",
-    "docker": "docker-compose exec dev yarn"
+    "docs": "vuepress dev"
   },
   "gitHooks": {
     "pre-commit": "cross-env PRE_COMMIT=true lint-staged"
@@ -90,7 +82,6 @@
     "@vue/cli-plugin-unit-jest/babel-jest": "25.1.x"
   },
   "engines": {
-    "node": ">=10.13.3",
-    "yarn": ">=1.0.0"
+    "node": ">=10.13.3"
   }
 }