From 9830e3e1bf021ee29ef07934d61847962a7d9706 Mon Sep 17 00:00:00 2001
From: AleixMT <aleixaretra@gmail.com>
Date: Tue, 16 Jan 2024 23:33:44 +0100
Subject: [PATCH] ADDED: communication with eureka

---
 docker-compose.yml                            | 14 +++++++---
 pom.xml                                       |  7 +++++
 .../controller/EurekaGreetingController.java  |  8 ++++++
 .../EurekaGreetingControllerImpl.java         | 26 +++++++++++++++++++
 .../resources/application-prod.properties     | 12 +++++++++
 src/main/resources/application.properties     | 11 ++++++++
 6 files changed, 74 insertions(+), 4 deletions(-)
 create mode 100644 src/main/java/net/unir/missi/desarrollowebfullstack/bookabook/operador/controller/EurekaGreetingController.java
 create mode 100644 src/main/java/net/unir/missi/desarrollowebfullstack/bookabook/operador/controller/EurekaGreetingControllerImpl.java

diff --git a/docker-compose.yml b/docker-compose.yml
index e2dbe33..e3d4716 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,10 +1,10 @@
 ---
 version: "2.1"
 services:
-  book-a-book-buscador:
-    image: aleixmt/book-a-book-buscador:latest
-    ports:
-      - "0.0.0.0:8082:8081"
+  #book-a-book-buscador:
+  #  image: aleixmt/book-a-book-buscador:latest
+  #  ports:
+  #    - "0.0.0.0:8082:8081"
     #restart: unless-stopped
 
   book-a-book-operador:
@@ -13,6 +13,12 @@ services:
       - "0.0.0.0:8084:8083"
     #restart: unless-stopped
 
+  book-a-book-eureka:
+    image: aleixmt/book-a-book-eureka:latest
+    ports:
+      - "0.0.0.0:8762:8761"
+    restart: unless-stopped
+
   postgres_db:
     image: postgres
     environment:
diff --git a/pom.xml b/pom.xml
index 23bdebc..2a7d29e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -34,6 +34,13 @@
 			<scope>test</scope>
 		</dependency>
 
+		<!-- Eureka Client dependency -->
+		<dependency>
+			<groupId>org.springframework.cloud</groupId>
+			<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
+			<version>4.1.0</version>
+		</dependency>
+
 		<!-- For swagger in Spring Boot 3 -->
 		<dependency>
 			<groupId>org.springdoc</groupId>
diff --git a/src/main/java/net/unir/missi/desarrollowebfullstack/bookabook/operador/controller/EurekaGreetingController.java b/src/main/java/net/unir/missi/desarrollowebfullstack/bookabook/operador/controller/EurekaGreetingController.java
new file mode 100644
index 0000000..57b08a8
--- /dev/null
+++ b/src/main/java/net/unir/missi/desarrollowebfullstack/bookabook/operador/controller/EurekaGreetingController.java
@@ -0,0 +1,8 @@
+package net.unir.missi.desarrollowebfullstack.bookabook.operador.controller;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+
+public interface EurekaGreetingController {
+
+    String greeting();
+}
diff --git a/src/main/java/net/unir/missi/desarrollowebfullstack/bookabook/operador/controller/EurekaGreetingControllerImpl.java b/src/main/java/net/unir/missi/desarrollowebfullstack/bookabook/operador/controller/EurekaGreetingControllerImpl.java
new file mode 100644
index 0000000..1c1def6
--- /dev/null
+++ b/src/main/java/net/unir/missi/desarrollowebfullstack/bookabook/operador/controller/EurekaGreetingControllerImpl.java
@@ -0,0 +1,26 @@
+package net.unir.missi.desarrollowebfullstack.bookabook.operador.controller;
+
+import com.netflix.discovery.EurekaClient;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class EurekaGreetingControllerImpl implements EurekaGreetingController {
+
+    @Autowired
+    @Lazy
+    private EurekaClient eurekaClient;
+
+    @Value("${spring.application.name}")
+    private String appName;
+
+    @Override
+    @RequestMapping("/greeting")
+    public String greeting() {
+        return String.format(
+                "Hello from '%s'!", eurekaClient.getApplication(appName).getName());
+    }
+}
\ No newline at end of file
diff --git a/src/main/resources/application-prod.properties b/src/main/resources/application-prod.properties
index e6774cc..3f9c1b8 100644
--- a/src/main/resources/application-prod.properties
+++ b/src/main/resources/application-prod.properties
@@ -19,3 +19,15 @@ spring.jpa.show-sql=true
 # Format of the SQL queries written in the output
 spring.jpa.properties.hibernate.format_sql=true
 
+######################
+### SERVER CONFIG ####
+######################
+# Random port because we will access this service by its name
+server.port=0
+
+
+##############
+### EUREKA ###
+##############
+# URL of the Eureka service
+eureka.client.serviceUrl.defaultZone=${EUREKA_URI:http://book-a-book-eureka:8761/eureka}
\ No newline at end of file
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index c7e40ec..7b0159d 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -50,3 +50,14 @@ server.port=8083
 ##############
 # swagger-ui custom path
 springdoc.swagger-ui.path=/swagger-ui.html
+
+
+##############
+### EUREKA ###
+##############
+# Configure application name for
+spring.application.name=operador
+# URL of the Eureka service
+eureka.client.serviceUrl.defaultZone=${EUREKA_URI:http://localhost:8761/eureka}
+# Use IP address
+eureka.instance.preferIpAddress=true