CreateHeartbeatsTable::up PHP Method

    public function up()
    {
        Schema::create('heartbeats', function (Blueprint $table) {
            $table->increments('id');
            $table->string('name');
            $table->string('hash')->unique();
            $table->integer('interval');
            $table->unsignedInteger('project_id');
            $table->unsignedInteger('missed')->default(0);
            $table->enum('status', [Heartbeat::OK, Heartbeat::UNTESTED, Heartbeat::MISSING])->default(Heartbeat::UNTESTED);
            $table->dateTime('last_activity')->nullable()->default(null);
            $table->timestamps();
            $table->softDeletes();
            $table->foreign('project_id')->references('id')->on('projects');
        });
    }