chore: update application.yaml file to use new db with env var

.env.example

@@ -0,0 +1,5 @@
+DB_HOST=
+DB_NAME=
+DB_USERNAME=
+DB_PASSWORD=
+DB_CLASSNAME=

.gitignore

@@ -1,3 +1,5 @@
+.env
+
 .DS_Store
 static/
 

build.gradle

@@ -30,6 +30,7 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     //db
     runtimeOnly 'com.mysql:mysql-connector-j'
+    implementation 'org.mariadb.jdbc:mariadb-java-client:3.1.2'
     // 추가 종료
 
     compileOnly 'org.projectlombok:lombok'
@@ -47,7 +48,8 @@ def frontendDir = "$projectDir/src/main/front"
 
 sourceSets {
     main {
-        resources { srcDirs = ["$projectDir/src/main/resources"]
+        resources {
+            srcDirs = ["$projectDir/src/main/resources"]
         }
     }
 }
@@ -60,8 +62,8 @@ task installReact(type: Exec) {
     group = BasePlugin.BUILD_GROUP
     if (System.getProperty('os.name').toLowerCase(Locale.ROOT).contains('windows')) {
         commandLine "npm.cmd", "audit", "fix"
-        commandLine 'npm.cmd', 'install' }
-    else {
+        commandLine 'npm.cmd', 'install'
+    } else {
         commandLine "npm", "audit", "fix" commandLine 'npm', 'install'
     }
 }

src/main/resources/application.yaml

@@ -8,11 +8,13 @@ logging:
     org.hibernate.type.descriptor.sql.BasicBinder: trace
 
 spring:
+  config:
+    import: optional:file:.env[.properties]
   datasource:
-    url: jdbc:mysql://www.adapter-gwangalli.com:3306/scjavajjang?characterEncoding=UTF-8&serverTimezone=Asia/Seoul
-    username: root
-    password: ivill0080@
-    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: ${DB_HOST}/${DB_NAME}
+    username: ${DB_USERNAME}
+    password: ${DB_PASSWORD}
+    driver-class-name: ${DB_CLASSNAME}
   jpa:
     defer-datasource-initialization: true
     hibernate.ddl-auto: update