feat: docker build with maven cache and docker profile

- Add Dockerfile for in-container maven build (offline mode)
- Add application-docker.yml for docker environment
- Add logback-docker.xml for docker logging
- Update docker-compose.yml: use strong passwords, docker profile
- Add full database backup before rebuild
- Add .m2-repo to gitignore

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

docker-compose.yml

@@ -27,13 +27,13 @@ services:
     image: redis:7-alpine
     container_name: martial-redis
     restart: always
-    command: redis-server --requirepass 123456
+    command: redis-server --requirepass Martial@2026#Secure!Pwd
     ports:
       - "6379:6379"
     volumes:
       - redis_data:/data
     healthcheck:
-      test: ["CMD", "redis-cli", "-a", "123456", "ping"]
+      test: ["CMD", "redis-cli", "-a", "Martial@2026#Secure!Pwd", "ping"]
       interval: 10s
       timeout: 5s
       retries: 5
@@ -86,18 +86,18 @@ services:
   martial-api:
     build:
       context: .
-      dockerfile: Dockerfile.quick
+      dockerfile: Dockerfile
     container_name: martial-api
     restart: always
     environment:
-      SPRING_PROFILE: dev
+      SPRING_PROFILE: docker
       JAVA_OPTS: "-Xms512m -Xmx1024m -XX:+UseG1GC"
       SPRING_DATASOURCE_URL: jdbc:mysql://martial-mysql:3306/martial_db?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true
       SPRING_DATASOURCE_USERNAME: root
       SPRING_DATASOURCE_PASSWORD: Martial@2026#Secure!Pwd
       SPRING_DATA_REDIS_HOST: redis
       SPRING_DATA_REDIS_PORT: 6379
-      SPRING_DATA_REDIS_PASSWORD: 123456
+      SPRING_DATA_REDIS_PASSWORD: Martial@2026#Secure!Pwd
     ports:
       - "8123:8123"
     depends_on: