feat(db): add postgres setup and multi-tenant config

src/main/resources/application.yml

@@ -0,0 +1,26 @@
+spring:
+  datasource:
+    url: jdbc:postgresql://${POSTGRES_HOST:localhost}:${POSTGRES_PORT:5432}/${POSTGRES_DB:smartseat_db}
+    username: ${POSTGRES_USER:postgres_admin}
+    password: ${POSTGRES_PASSWORD:change_me_super_secret_admin_password}
+    driver-class-name: org.postgresql.Driver
+    hikari:
+      maximum-pool-size: 20
+      minimum-idle: 5
+      idle-timeout: 300000
+      connection-timeout: 20000
+      max-lifetime: 1200000
+      leak-detection-threshold: 5000
+      pool-name: CasposHikariCP
+
+  jpa:
+    database-platform: org.hibernate.dialect.PostgreSQLDialect
+    hibernate:
+      ddl-auto: validate
+    properties:
+      hibernate:
+        multiTenancy: SCHEMA
+        multi_tenant_connection_provider: com.caspos.config.tenant.SchemaBasedMultiTenantConnectionProvider
+        tenant_identifier_resolver: com.caspos.config.tenant.TenantIdentifierResolver
+        format_sql: true
+        show_sql: false