use ' instead of " if there is no need to

Author: dominikzogg

.github/workflows/ci.yml

@@ -3,7 +3,7 @@ name: CI
 on:
   push:
   schedule:
-    - cron: "0 0 * * *"
+    - cron: '0 0 * * *'
 
 jobs:
   docker-compose:
@@ -51,7 +51,7 @@ jobs:
         uses: docker://ghcr.io/chubbyphp/ci-php83:latest
         env:
           APP_ENV: phpunit
-          POSTGRES_URI: "pgsql://petstore:KVKtkrTHhKuTJTor8pCP@172.17.0.1:5432/petstore?charset=utf8"
+          POSTGRES_URI: 'pgsql://petstore:KVKtkrTHhKuTJTor8pCP@172.17.0.1:5432/petstore?charset=utf8'
           COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
   php84:
@@ -76,7 +76,7 @@ jobs:
         uses: docker://ghcr.io/chubbyphp/ci-php84:latest
         env:
           APP_ENV: phpunit
-          POSTGRES_URI: "pgsql://petstore:KVKtkrTHhKuTJTor8pCP@172.17.0.1:5432/petstore?charset=utf8"
+          POSTGRES_URI: 'pgsql://petstore:KVKtkrTHhKuTJTor8pCP@172.17.0.1:5432/petstore?charset=utf8'
           COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
   php85:
@@ -101,7 +101,7 @@ jobs:
         uses: docker://ghcr.io/chubbyphp/ci-php85:latest
         env:
           APP_ENV: phpunit
-          POSTGRES_URI: "pgsql://petstore:KVKtkrTHhKuTJTor8pCP@172.17.0.1:5432/petstore?charset=utf8"
+          POSTGRES_URI: 'pgsql://petstore:KVKtkrTHhKuTJTor8pCP@172.17.0.1:5432/petstore?charset=utf8'
           COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
       - name: sonarcloud.io

docker-compose.yml

@@ -25,7 +25,7 @@ services:
     depends_on:
       - postgres
     extra_hosts:
-      - "host.docker.internal:host-gateway"
+      - 'host.docker.internal:host-gateway'
     ports:
       - '9003:9003'
   php-fluentd:
@@ -93,8 +93,8 @@ services:
     healthcheck:
       test:
         [
-          "CMD-SHELL",
-          "curl -sk https://localhost:9200 | grep -q 'Unauthorized'"
+          'CMD-SHELL',
+          'curl -sk https://localhost:9200 | grep -q "Unauthorized"'
         ]
       interval: 10s
       timeout: 10s