Initialisiere VoTiAn NG mit Docker-Build, .env-Konfiguration und Cookie-Sitzungen

backend/src/main/resources/application.yml

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+server:
+  address: ${SERVER_ADDRESS:127.0.0.1}
+  port: ${PORT:8080}
+  forward-headers-strategy: ${FORWARD_HEADERS_STRATEGY:native}
+  servlet:
+    session:
+      timeout: ${SESSION_TIMEOUT:30m}
+      tracking-modes: cookie
+      cookie:
+        name: VOTIANSESSION
+        http-only: true
+        same-site: lax
+  error:
+    include-message: never
+spring:
+  application:
+    name: votian-ng
+  datasource:
+    # Only the existing database; never initialize or replace its schema.
+    url: ${DB_URL:jdbc:mariadb://127.0.0.1:1/unconfigured?connectTimeout=2000&socketTimeout=5000}
+    username: ${DB_USER:}
+    password: ${DB_PASSWORD:}
+    driver-class-name: org.mariadb.jdbc.Driver
+    hikari:
+      initialization-fail-timeout: -1
+      connection-timeout: 3000
+      validation-timeout: 1000
+      maximum-pool-size: 4
+      minimum-idle: 0
+      read-only: true
+      data-source-properties:
+        # Preserve numeric legacy codes, including values above 1 in TINYINT(1).
+        tinyInt1isBit: false
+  sql:
+    init:
+      mode: never
+  jackson:
+    serialization:
+      write-dates-as-timestamps: false
+app:
+  cors-origins: ${CORS_ORIGINS:http://localhost:5173,http://127.0.0.1:5173}
+  legacy-url: ${LEGACY_APP_URL:}
+  max-results: ${MAX_RESULTS:500}
+logging:
+  level:
+    com.zaxxer.hikari: WARN
+    org.mariadb.jdbc: ERROR