Inject environment variables with GitHub Actions & Secrets, move relevant packages back into devDependencies

.github/workflows/firebase-hosting-merge.yml

@@ -3,6 +3,11 @@ name: Deploy to Firebase Hosting on merge
   push:
     branches:
       - master
+
+env:
+  VUE_APP_ALGOLIA_APP_ID: '${{ secrets.ALGOLIA_APP_ID }}'
+  VUE_APP_ALGOLIA_API_KEY: '${{ secrets.ALGOLIA_API_KEY }}'
+
 jobs:
   build_and_deploy:
     runs-on: ubuntu-latest

.github/workflows/firebase-hosting-pull-request.yml

@@ -1,12 +1,20 @@
 name: Deploy to Firebase Hosting on PR
 'on': pull_request
+
+env:
+  VUE_APP_ALGOLIA_APP_ID: '${{ secrets.ALGOLIA_APP_ID }}'
+  VUE_APP_ALGOLIA_API_KEY: '${{ secrets.ALGOLIA_API_KEY }}'
+
 jobs:
   build_and_preview:
     if: '${{ github.event.pull_request.head.repo.full_name == github.repository }}'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@master
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
+      - run: yarn install
       - run: yarn run build
       - uses: FirebaseExtended/action-hosting-deploy@v0
         with:

package.json

@@ -33,19 +33,19 @@
         "@vue/cli-plugin-babel": "^4.4.0",
         "@vue/cli-plugin-eslint": "^4.4.0",
         "@vue/cli-service": "^4.4.0",
-        "@vue/eslint-config-airbnb": "^5.0.2",
-        "@vue/eslint-config-prettier": "^6.0.0",
-        "babel-eslint": "^10.1.0",
-        "eslint": "^6.7.2",
-        "eslint-plugin-import": "^2.20.2",
-        "eslint-plugin-prettier": "^3.1.4",
-        "eslint-plugin-vue": "^6.2.2",
-        "prettier": "^2.1.1",
         "sass": "^1.26.5",
         "sass-loader": "^8.0.2",
         "vue-template-compiler": "^2.6.11"
     },
     "devDependencies": {
+        "babel-eslint": "^10.1.0",
+        "eslint": "^6.7.2",
+        "eslint-plugin-import": "^2.20.2",
+        "eslint-plugin-prettier": "^3.1.4",
+        "eslint-plugin-vue": "^6.2.2",
+        "@vue/eslint-config-airbnb": "^5.0.2",
+        "@vue/eslint-config-prettier": "^6.0.0",
+        "prettier": "^2.1.1"
     },
     "eslintConfig": {
         "root": true,