Merge branch 'feature/create-jwt-tokens' into develop

src/main/resources/application.properties

@@ -9,7 +9,7 @@ logging.level.org.hibernate.type.descriptor.sql.BasicBinder=TRACE
 server.error.include-message=always
 spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
 spring.datasource.hikari.minimum-idle=1
-spring.datasource.hikari.maximum-pool-size=${DATABASE_MAX_CONNECTIONS:0}
+spring.datasource.hikari.maximum-pool-size=${DATABASE_MAX_CONNECTIONS:1}
 logging.level.root=INFO
 logging.level.org.springframework.security=WARN
 logging.level.org.hibernate.SQL=WARN