Make 'nix run' spin up the whole stack in one command

dev/dev

@@ -65,8 +65,9 @@ db_start() {
         echo "db: already running (pid $(cat "$MYSQL_PID"))"
         return
     fi
-    mariadbd --datadir="$MYSQL_DATA" --socket="$MYSQL_SOCK" --pid-file="$MYSQL_PID" \
-        --port="$DB_PORT" --bind-address=127.0.0.1 --skip-name-resolve \
+    # Ignore terminal Ctrl-C in the DB so `up` can shut it down cleanly after the app servers.
+    (trap '' INT; exec mariadbd --datadir="$MYSQL_DATA" --socket="$MYSQL_SOCK" --pid-file="$MYSQL_PID" \
+        --port="$DB_PORT" --bind-address=127.0.0.1 --skip-name-resolve) \
         >"$MYSQL_LOG" 2>&1 &
     for _ in $(seq 1 50); do
         mariadb-admin --socket="$MYSQL_SOCK" -uroot ping >/dev/null 2>&1 && break
@@ -121,9 +122,19 @@ serve() {
 }
 
 up() {
+    for app in "$FRONTEND" "$BACKEND"; do
+        [ -f "$app/vendor/autoload.php" ] || composer_install
+    done
     db_start
     local pids=()
-    trap 'kill "${pids[@]}" 2>/dev/null; wait; db_stop' EXIT INT TERM
+    cleanup() {
+        trap - EXIT INT TERM
+        set +e
+        kill "${pids[@]}" 2>/dev/null
+        wait "${pids[@]}" 2>/dev/null
+        db_stop
+    }
+    trap cleanup EXIT INT TERM
     (cd "$FRONTEND" && php artisan serve --host=127.0.0.1 --port="$FRONTEND_PORT") & pids+=($!)
     (cd "$BACKEND" && php artisan serve --host=127.0.0.1 --port="$BACKEND_PORT") & pids+=($!)
     echo "frontend: http://127.0.0.1:$FRONTEND_PORT"