Fix/#232 프로필에 동일한 활동을 중복해서 등록할 수 있는 버그 #116

	name: Kerdy Backend Build Test

	on:
	workflow_dispatch:
	pull_request:
	types: [ opened, synchronize, reopened ]
	branches:
	- backend-main

	defaults:
	run:
	working-directory: backend/emm-sale

	jobs:
	build:
	name: Build with Gradle
	runs-on: ubuntu-latest
	services:
	mysql:
	image: mysql:8.0.28
	env:
	MYSQL_USER: user
	MYSQL_PASSWORD: password
	MYSQL_ROOT_PASSWORD: 1234
	MYSQL_DATABASE: kerdy
	ports:
	- 3306:3306
	options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Set up JDK 11
	uses: actions/setup-java@v2
	with:
	java-version: 11
	distribution: 'temurin'

	- name: Give permission for Gradle
	run: chmod +x gradlew

	- name: Build with Gradle
	run: ./gradlew clean build

Provide feedback