feat: update Docker configurations and application properties for improved health checks and service management

Author: AbaSheger

.gitignore

@@ -1,3 +1,5 @@
+version: '3.8'
+
 services:
   # Place Eureka server first with healthcheck
   eureka-server:
@@ -11,11 +13,12 @@ services:
       - SPRING_PROFILES_ACTIVE=docker
       - SERVER_PORT=8761
     healthcheck:
-      test: ["CMD-SHELL", "curl -f http://localhost:8761/actuator/health || exit 1"]
-      interval: 10s
+      test: ["CMD", "wget", "-q", "--spider", "http://localhost:8761/actuator/health"]
+      interval: 30s
       timeout: 5s
-      retries: 10
-      start_period: 30s
+      retries: 3
+      start_period: 60s
+    restart: unless-stopped
 
   # API Gateway depends on healthy Eureka server
   api-gateway:

docker-compose.yml

@@ -9,16 +9,16 @@ spring:
 
 eureka:
   client:
-    register-with-eureka: false
-    fetch-registry: false
+    registerWithEureka: false
+    fetchRegistry: false
   server:
     wait-time-in-ms-when-sync-empty: 0
 
 management:
   endpoints:
     web:
       exposure:
-        include: health,info,metrics
+        include: health
       base-path: /actuator
   endpoint:
     health:

eureka-server/src/main/resources/application.yml

@@ -20,11 +20,15 @@ COPY --from=builder /app/app.jar /app.jar
 
 # Create non-root user
 RUN addgroup -S spring && adduser -S spring -G spring
-USER spring:spring
+
+# Install wget for health check
+RUN apk add --no-cache wget
 
 # Configure health check
-HEALTHCHECK --interval=30s --timeout=3s --start-period=30s --retries=3 \
+HEALTHCHECK --interval=30s --timeout=5s --start-period=60s --retries=3 \
     CMD wget -q --spider http://localhost:8761/actuator/health || exit 1
 
 EXPOSE 8761
+
+USER spring:spring
 ENTRYPOINT ["java", "-XX:+UseContainerSupport", "-XX:MaxRAMPercentage=75.0", "-jar", "/app.jar"]