adding scripts + appspec.yml file for codedeploy

appspec.yml

@@ -0,0 +1,24 @@
+version: 0.0
+os: linux
+
+files:
+  - source: /target/*.jar
+    destination: /home/ec2-user/spring-petclinic
+
+permissions:
+  - object: /home/ec2-user/spring-petclinic
+    owner: ec2-user
+    group: ec2-user
+    mode: 755
+
+hooks:
+  BeforeInstall:
+    - location: scripts/before_install.sh
+      timeout: 300
+      runas: ec2-user
+  ApplicationStart:
+    - location: scripts/start_application.sh
+      timeout: 300
+      runas: ec2-user
+
+

scripts/before_install.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+echo "Updating package list..."
+sudo yum update -y
+
+sudo yum install -y openjdk-21-jdk
+
+echo "Installing Maven..."
+sudo yum install -y maven
+
+

scripts/start_application.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+echo "Navigating to the application directory..."
+cd /home/ec2-user/spring-petclinic
+
+echo "Building the application using Maven..."
+mvn clean package -DskipTests
+
+echo "Starting the Spring Boot application..."
+java -jar target/spring-petclinic-*.jar > app.log 2>&1 &
+echo "Application started successfully!"
+