Add Caddy logging configuration to Dockerfile for frankenphp variation

Author: jaydrogers

src/variations/frankenphp/Dockerfile

@@ -139,6 +139,8 @@ LABEL org.opencontainers.image.title="serversideup/php (frankenphp)" \
     CADDY_HTTPS_PORT="8443" \
     CADDY_HTTP_SERVER_ADDRESS="http://" \
     CADDY_HTTPS_SERVER_ADDRESS="https://" \
+    CADDY_LOG_FORMAT="console" \
+    CADDY_LOG_OUTPUT="stdout" \
     CADDY_PHP_SERVER_OPTIONS="" \
     CADDY_SERVER_EXTRA_DIRECTIVES="" \
     COMPOSER_ALLOW_SUPERUSER=1 \