Create Microservice_IMP.md

Author: anjijava16

Microservice_IMP.md

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+ -Dspring.profiles.active=staging
+ java -jar application.jar --spring.profiles.active=cloud --spring.config.location=c:\config
+ 
+ 
+ java -jar application.jar --spring.profiles.active=cloud 
+ 
+ mvn package -DskipTests
+mvn package -Dmaven.test.skip=true
+mvn clean install 
+-Dspring.profiles.active=peer1
+
+
+##############################################################
+##############################################################
+# LOCATION TRANSPARANCY
+		Naming Server (Eureka) 
+	# Service Discoveries:
+		  NetFlix Eureka
+		  HashiCorp Consul
+		  Apache Zookeeper
+
+# Eureka Server Discovery :
+    CartService Eureka Client ===> Service Registry Eureka Server ===> ProducetService Eureka Client 
+	CartService Eureka Client ===> Product Service Eureka Client  ===> ProducetService Eureka Client 
+	
+	Note1: eureka server Start :
+	           http://localhost:8761/
+
+# HashiCorp Consul Discovery Agent :(It is Go Language)
+   
+           http://localhost:8500/ui/dc1/services
+		   
+# Zookeeper:
+# zookeper Discovery Agent 
+     zkServer.sh start
+	 Then zkCli.sh 
+
+
+           http://localhost:7081
+##############################################################
+##############################################################
+
+# LOAD DISTRIBUTION
+	Ribbon (Client Side)
+
+#VISIBILITY AND MONITORING
+		Zipkin Distributed Tracing
+		Netflix API Gateway
+
+#FAULT TOLERANCE
+	Hystrix
+
+# CENTRALIZED CONFIGURATION && MANAGEMENT
+	Spring Cloud Config Server
+
+# RESPONSE STATUS
+	200 - SUCCESS
+	404 - RESOURCE NOT FOUND
+	400 - BAD REQUEST
+	201 - CREATED
+	401 - UNAUTHORIZED
+	500 - SERVER ERROR
+
+
+# MicroService Commuication through 
+	Rest Template and Feign Client
+
+# Dynamic Routing and Load Balcing using 
+	Spring Cloud Ribbon
+
+###############################################################
+# NetFlix Zuul API Gateway 
+
+Desktop  ---> API Gateway 
+                                                ---> Product Service && Cart Service
+Mobile ---> API Gateway  
+ 
+ 
+  i. Reduce RoundTrips
+  ii. Secuirty
+  iii. Service Discovery integration
+  iv. Cross cutting Concerns
+  v. Load Balancing 
+  vi. Caching the reponse
+  vii. Dynamic Routing
+  viii. Static response handing
+  ix Rate Limiting and throuthing
+  
+# API Gateways:
+   i. Netflix Zuul API Gateway
+   ii. Spring Cloud Gateway
+   iii. Apigee
+   iv. Amazon AWS API gateway
+   v. Azure API Gateway
+   vi. Google Cloud Endpoints 
+   vii. Express API Gateway     
+
+############################################################### 
+
+# Circuit Breaker
+#  Monitoring : Netflix Hystrix Dashboard and Turbine
+
+# Circuit Breker Implemenations:
+ i.Netflix Hystrix (Not using)
+ ii. Resilence4j (Using)
+ iii. Sentinel (using)
+ iv. Spring Retry 
+
+
+# HYstrix Dashboard required : @EnableCircuitBreaker
+http://192.168.0.3:8695/hystrix
+URL : http://192.168.0.3:8695/actuator/hystrix.stream
+http://192.168.0.3:8695/hystrix/monitor?stream=http%3A%2F%2F192.168.0.3%3A8695%2Factuator%2Fhystrix.stream
+Enter:  http://192.168.0.3:8695/addMycart/12
+
+# TurbineStream :
+http://192.168.0.3:8695/hystrix
+http://192.168.0.3:8095/turbine.stream
+
+#  Distributed Tracing:  using Sleuth and Zipkin Server
+
+ 
+ # Spring Cloud Seluth :
+    Spring Cloud Sleuth 
+	SPring Cloud Sleuth Logs are printed in the folloing format 
+	  [ TraceID, SpanId, ZipKin ]
+	  
+	  
+# Zipkin
+	Zipkin is a distributed tracing system. It helps gather timing data needed to troubleshoot latency problems in service architectures. 
+Features include both the collection and lookup of this data.	  
+	http://localhost:9411/zipkin
+
+	http://localhost:9411/zipkin/?serviceName=cartservice&spanName=all&lookback=3600000&startTs=1586642229946&endTs=1586645829946&annotationQuery=&minDuration=&limit=10&sortOrder=duration-desc
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