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Deployment:

• all environments:
  • stash/revert all not commited changes,
  • add and push new tag,
  • clear local caches,
  • generate assets using assetic:dump --env=prod command,
  • remove cache form app/cache dir,
  • temporarily change local parameters.yml to proper one,
  • pack app, public_html, src, vendor dirs, .htaccess and php.ini files from main dir, upload it and replace with existing ones, remember to copy data to public_html dir instead of replacing it,
  • make proper database migration (if manual, remember to add new migration versions to migration_versions table),
• stage:
  • copy everything from public_html to private_html,
  • uncomment first line in .htaccess in public_html and private_html,
  • optionally remove .htaccess and php.ini files from main dir.