diff --git a/.gitignore b/.gitignore
index ce3029c..06ab520 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,8 +18,6 @@ bin/
 !**/src/test/**/bin/
 
 ### IntelliJ IDEA ###
-application.properties
-application-test.properties
 .idea
 *.iws
 *.iml
@@ -37,3 +35,4 @@ out/
 
 ### VS Code ###
 .vscode/
+/.env
diff --git a/gradlew b/gradlew
old mode 100644
new mode 100755
diff --git a/src/main/java/com/project/Haru_Mail/domain/diary/Diary.java b/src/main/java/com/project/Haru_Mail/domain/diary/Diary.java
index 6f3e25a..2178c04 100644
--- a/src/main/java/com/project/Haru_Mail/domain/diary/Diary.java
+++ b/src/main/java/com/project/Haru_Mail/domain/diary/Diary.java
@@ -19,7 +19,6 @@ public class Diary {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Integer id; // 다이어리 ID
 
-    @Column(columnDefinition = "NVARCHAR(255)")
     private String title; // 제목
 
     @Lob
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
new file mode 100644
index 0000000..abea1b1
--- /dev/null
+++ b/src/main/resources/application.properties
@@ -0,0 +1,44 @@
+spring.security.oauth2.client.registration.google.client-id=${GOOGLE_CLIENT_ID}
+spring.security.oauth2.client.registration.google.client-secret=${GOOGLE_CLIENT_SECRET}
+spring.security.oauth2.client.registration.google.redirect-uri=${GOOGLE_REDIRECT_URI}
+spring.security.oauth2.client.registration.google.scope=email, profile
+
+spring.datasource.url=${SPRING_DATASOURCE_URL}
+spring.datasource.username=${SPRING_DATASOURCE_USERNAME}
+spring.datasource.password=${DB_PASSWORD}
+
+spring.jpa.hibernate.ddl-auto=update
+spring.jpa.show-sql=true
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL8Dialect
+spring.jpa.properties.hibernate.connection.charSet=UTF-8
+spring.jpa.properties.hibernate.connection.useUnicode=true
+spring.jpa.properties.hibernate.connection.characterEncoding=UTF-8
+
+jwt.secret-key=${JWT_SECRET_KEY}
+jwt.access-token-expiration-minutes=30
+jwt.refresh-token-expiration-minutes=1440
+jwt.header=Authorization
+jwt.prefix=Bearer
+
+spring.redis.host = localhost
+spring.redis.port = 6379
+spring.redis.password=${REDIS_PASSWORD}
+spring.redis.timeout = 6000
+
+spring.mail.host = smtp.gmail.com
+spring.mail.port = 587
+spring.mail.username=${MAIL_USERNAME}
+spring.mail.password=${MAIL_PASSWORD}
+spring.mail.properties.mail.smtp.auth = true
+spring.mail.properties.mail.smtp.starttls.enable = true
+spring.mail.properties.mail.smtp.ssl.trust=smtp.gmail.com
+
+spring.thymeleaf.prefix=classpath:/templates/
+spring.thymeleaf.suffix=.html
+spring.thymeleaf.mode=HTML
+spring.thymeleaf.encoding=UTF-8
+spring.thymeleaf.cache=false
+
+cloudinary.cloud-name=dr6jccdxm
+cloudinary.api-key=${CLOUDINARY_API_KEY}
+cloudinary.api-secret=${CLOUDINARY_API_SECRET}
\ No newline at end of file