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.env.example

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+# Roundcube stack – copy to .env and fill in values.
+# Required for custom image: set image to git.mifi.dev/mifi-holdings/mail-roundcube (built by Woodpecker).
+
+# Site / deployment
+SITE_DOMAIN=webmail.example.com
+DB_ROOT_PASSWORD=
+DB_NAME=roundcubemail
+DB_USER=roundcubemail
+DB_PASSWORD=
+
+# Roundcube main (IMAP/SMTP)
+ROUNDCUBEMAIL_DEFAULT_HOST=ssl://mail.example.com
+ROUNDCUBEMAIL_DEFAULT_PORT=993
+ROUNDCUBEMAIL_SMTP_SERVER=ssl://mail.example.com
+ROUNDCUBEMAIL_SMTP_PORT=587
+ROUNDCUBEMAIL_PLUGINS=acl,additional_message_headers,archive,attachment_reminder,autologon,debug_logger,emoticons,enigma,filesystem_attachments,help,hide_blockquote,http_authentication,identicon,identity_select,jqueryui,krb_authentication,managesieve,markasjunk,new_user_dialog,new_user_identity,newmail_notifier,password,reconnect,show_additional_headers,squirrelmail_usercopy,subscriptions_option,userinfo,vcard_attachments,virtuser_file,virtuser_query,zipdownload
+ROUNDCUBEMAIL_UPLOAD_MAX_FILESIZE=50M
+
+# Secrets (required – config files read these at runtime)
+ROUNDCUBEMAIL_DES_KEY=                            # Exactly 24 characters; used to encrypt session passwords
+ROUNDCUBEMAIL_SUPPORT_URL=mailto:admin@example.com
+
+# Plugin: managesieve (Sieve server host)
+ROUNDCUBEMAIL_MANAGESIEVE_HOST=tls://mail.example.com:4190
+
+# Plugin: password (Postfix/mailbox DB for password changes)
+ROUNDCUBEMAIL_PASSWORD_DB_USER=
+ROUNDCUBEMAIL_PASSWORD_DB_PASSWORD=
+ROUNDCUBEMAIL_PASSWORD_DB_NAME=postfix
+
+# Optional: pin image tag (default: latest)
+# IMAGE_TAG=latest