Explain Spring Boot Docker integration and containerization.

Spring Boot provides Docker support:\n\n1) Dockerfile:\nFROM openjdk:17-jre-slim\nCOPY target/app.jar app.jar\nEXPOSE 8080\nENTRYPOINT ["java", "-jar", "/app.jar"]\n\n2) Using Buildpacks:\n./mvnw spring-boot:build-image\n\n3) Docker Compose:\nversion: "3"\nservices:\n app:\n image: myapp:latest\n ports:\n - "8080:8080"\n environment:\n - SPRING_PROFILES_ACTIVE=docker