feat(rebuild-script): add script to rebuild and restart Flutter service with Docker

scripts/rebuild_flutter.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+APP_DIR="${1:-/opt/containers/recipe-app}"
+COMPOSE_FILES=(-f compose.yml -f compose.flutter.yml)
+SERVICE="recipe-flutter"
+
+log() { echo "[flutter-rebuild] $*"; }
+fail() { echo "[flutter-rebuild][ERROR] $*" >&2; exit 1; }
+
+cd "$APP_DIR" || fail "Kunde inte byta till katalog: $APP_DIR"
+
+if ! docker compose version >/dev/null 2>&1; then
+  fail "docker compose saknas eller fungerar inte"
+fi
+
+if [ ! -f "compose.yml" ] || [ ! -f "compose.flutter.yml" ]; then
+  fail "compose.yml eller compose.flutter.yml saknas i $APP_DIR"
+fi
+
+log "Bygger om $SERVICE"
+docker compose "${COMPOSE_FILES[@]}" build "$SERVICE"
+
+log "Startar om $SERVICE"
+docker compose "${COMPOSE_FILES[@]}" up -d "$SERVICE"
+
+log "Status"
+docker compose "${COMPOSE_FILES[@]}" ps "$SERVICE"
+
+log "Klart"