Add spring-boot-microservices-project: config server, Eureka, gateway and three services on Boot 4.1.1 + Spring Cloud 2025.1.3

Product, order and inventory services behind Spring Cloud Gateway (WebMVC), configuration from a Config Server, discovery with Eureka, a Resilience4j circuit breaker on order -> inventory and Brave tracing. Run as six plain jars; output/ holds real transcripts (config, registry, requests, trace propagation, circuit breaker, startup race and the load-balanced RestClient.Builder trap). Dockerfile and docker-compose.yml are included but were not run. Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01HhW8LD8r3EigoBaCGrQZx5
2026-10-21 17:08:42 +00:00
commit def73fa1c4
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+spring:
+  application:
+    name: gateway
+  config:
+    # Fail fast if the config server is not up: a service with the wrong config is worse than no service.
+    import: "configserver:${CONFIG_URL:http://localhost:8888}"
+server:
+  port: 8080
+eureka:
+  client:
+    service-url:
+      defaultZone: ${EUREKA_URL:http://localhost:8761/eureka}
+  instance:
+    hostname: ${EUREKA_HOSTNAME:localhost}
+    # Register the service name + port as the instance id so two copies of one service do not collide.
+    instance-id: ${spring.application.name}:${server.port}