How do I keep the Eureka server url dynamic in the Eureka Client while using docker?
Spring can pickup Environment Variables. So if you add Environment Variables to the Docker Container that Spring Boot is running in, they will work. This avoids the need to provide a static URL up front.
If you use Docker Compose, it could look like this:
services: eureka: image: springcloud/eureka container_name: eureka ports: - "8761:8761" networks: - "discovery" environment: - EUREKA_INSTANCE_PREFERIPADDRESS=true spring: build: context: . dockerfile: ./src/main/docker/Dockerfile depends_on: - eureka container_name: spring ports: - "8080:8080" networks: - "discovery" environment: - EUREKA_SERVICE_URL=http://eureka:8761 // This overrides your Spring Property - EUREKA_INSTANCE_PREFER_IP_ADDRESS=true - LOGGING_FILE=/tmp/admin.logNote: Since Environment Variables are not YAML, you need to change the format a bit. https://docs.spring.io/spring-boot/docs/1.5.5.RELEASE/reference/html/boot-features-external-config.html#boot-features-external-config-relaxed-binding