springboot: env vars in application.properties

backend/spring-boot/src/main/resources/application.properties

@@ -1,11 +1,11 @@
 # app
 app.name=BootstrapBugZ
-ui.app.url=http://localhost:5173
+ui.app.url=${UI_APP_URL:http://localhost:5173}
 # database
 spring.sql.init.platform=postgres
-spring.datasource.url=jdbc:postgresql://localhost:5432/bootstrapbugz
-spring.datasource.username=postgres
-spring.datasource.password=root
+spring.datasource.url=jdbc:postgresql://${DB_URL:localhost:5432}/${DB_NAME:bootstrapbugz}
+spring.datasource.username=${DB_USERNAME:postgres}
+spring.datasource.password=${DB_PASSWORD:root}
 spring.jpa.hibernate.ddl-auto=create
 spring.jpa.properties.jakarta.persistence.validation.mode=none
 spring.jpa.properties.hibernate.query.fail_on_pagination_over_collection_fetch=true
@@ -15,22 +15,22 @@ spring.data.web.pageable.default-page-size=10
 #logging.level.org.hibernate.SQL=DEBUG
 #logging.level.org.hibernate.type.descriptor.sql.BasicBinder=TRACE
 # redis
-spring.data.redis.database=0
-spring.data.redis.host=127.0.0.1
-spring.data.redis.port=6379
-spring.data.redis.password=root
+spring.data.redis.database=${REDIS_DATABASE:0}
+spring.data.redis.host=${REDIS_HOST:127.0.0.1}
+spring.data.redis.port=${REDIS_PORT:6379}
+spring.data.redis.password=${REDIS_PASSWORD:root}
 spring.data.redis.timeout=60
 # spring security
-spring.security.user.password=qwerty123
+spring.security.user.password=${SPRING_SECURITY_PASSWORD:qwerty123}
 # email
-spring.mail.host=smtp.mailgun.org
-spring.mail.port=587
-spring.mail.username=username
-spring.mail.password=password
+spring.mail.host=${MAIL_HOST:smtp.mailgun.org}
+spring.mail.port=${MAIL_PORT:587}
+spring.mail.username=${MAIL_USERNAME:username}
+spring.mail.password=${MAIL_PASSWORD:password}
 spring.mail.properties.mail.smtp.auth=true
 spring.mail.properties.mail.smtp.starttls.enable=true
 # jwt
-jwt.secret=secret
+jwt.secret=${JWT_SECRET:secret}
 jwt.access-token.duration=900
 jwt.refresh-token.duration=604800
 jwt.verify-email-token.duration=900