Add Docker-based dev/prod setup with zail helper scripts

docker/php-fpm/entrypoint.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env sh
+set -e
+
+APP_DIR=/var/www
+
+if [ -n "${UID}" ] && [ -n "${GID}" ]; then
+    echo "Fixing file permissions with UID=${UID} and GID=${GID}..."
+
+    for path in storage bootstrap/cache; do
+        if [ -d "${APP_DIR}/${path}" ]; then
+            chown -R "${UID}:${GID}" "${APP_DIR}/${path}" || true
+        fi
+    done
+fi
+
+if [ -f "${APP_DIR}/artisan" ]; then
+    echo "Clearing configurations..."
+    php "${APP_DIR}/artisan" config:clear || true
+    php "${APP_DIR}/artisan" route:clear || true
+    php "${APP_DIR}/artisan" view:clear || true
+fi
+
+exec "$@"