refactor #1006 Integrate Sylius Cloud by standard Symfony installer (…

…senghe)

This PR was merged into the 1.12 branch.

Discussion
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The Symfony integration seems not to be a correct way to do the Sylius Cloud integration. I've replaced it with standard Symfony installer.

I've tested this on a new environment and it works correctly.

Commits
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4186227 Add symfony-build command to platform.app.yaml file
b437e5c Replace Symfony integration with standard Symfony installer
167d339 Update .platform.app.yaml

.platform.app.yaml

@@ -94,18 +94,23 @@ crons:
 
 hooks:
     build: |
-        set -e 
-        curl -fs https://get.symfony.com/cloud/configurator | bash
+        set -e
         n auto
         hash -r
+        curl -sS https://get.symfony.com/cli/installer | bash
+        mv "$PLATFORM_APP_DIR/.symfony5/bin/symfony" "$PLATFORM_APP_DIR/.global/bin/symfony"
+        cat >> "$PLATFORM_APP_DIR/.global/environment" <<EOS
+            export \$(symfony var:export)
+        EOS
         yarn install --frozen-lockfile
         yarn build:prod
 
     deploy: |
         set -e
-        symfony-deploy
         rm -rf var/cache/*
         mkdir -p public/media/image
+        bin/console doctrine:database:create --if-not-exists
+        bin/console doctrine:migrations:migrate -n
         bin/console sylius:fixtures:load -n
         bin/console lexik:jwt:generate-keypair --skip-if-exists
         bin/console assets:install --symlink --relative public