Backend project initialized

Co-authored-by: Jarno Kiesiläinen <jarnokie@gmail.com>
Co-committed-by: Jarno Kiesiläinen <jarnokie@gmail.com>

backend/src/main/resources/application.yml

@@ -0,0 +1,62 @@
+server:
+  port: 8080
+  servlet:
+    context-path: /api
+
+spring:
+  application:
+    name: vibing-backend
+  
+  # Database Configuration
+  datasource:
+    url: jdbc:h2:mem:testdb
+    driver-class-name: org.h2.Driver
+    username: sa
+    password: password
+  
+  # JPA Configuration
+  jpa:
+    database-platform: org.hibernate.dialect.H2Dialect
+    hibernate:
+      ddl-auto: create-drop
+    show-sql: true
+    properties:
+      hibernate:
+        format_sql: true
+  
+  # H2 Console (for development)
+  h2:
+    console:
+      enabled: true
+      path: /h2-console
+  
+  # Jackson Configuration
+  jackson:
+    default-property-inclusion: non_null
+    serialization:
+      write-dates-as-timestamps: false
+    deserialization:
+      fail-on-unknown-properties: false
+
+# Logging Configuration
+logging:
+  level:
+    com.vibing.backend: DEBUG
+    org.springframework.security: DEBUG
+    org.springframework.web: DEBUG
+  pattern:
+    console: "%d{yyyy-MM-dd HH:mm:ss} - %msg%n"
+
+# API Documentation
+springdoc:
+  api-docs:
+    path: /api-docs
+  swagger-ui:
+    path: /swagger-ui.html
+    operations-sorter: method
+
+# Security Configuration
+security:
+  jwt:
+    secret: your-secret-key-here-change-in-production
+    expiration: 86400000 # 24 hours in milliseconds