implement lambda

aws-lambda-project/.localstack/01_init.sh

@@ -1,11 +1,66 @@
 #!/usr/bin/env bash
 
-awslocal s3 mb s3://testbucket
-echo "List of S3 buckets:"
-echo "-------------------------------"
-awslocal s3 ls
-
-awslocal sqs create-queue --queue-name test_queue
-echo "List of SQS Queues:"
-echo "-------------------------------"
-awslocal sqs list-queues
+# Navigate to the directory containing the JAR file
+cd /localstackTemp || exit 1
+
+# Set variables
+JAR_FILE="aws-lambda-project-0.0.1-SNAPSHOT-aws.jar"
+FUNCTION_NAME="localstack-lambda-url-example"
+IAM_ROLE_ARN="arn:aws:iam::000000000000:role/lambda-role"
+
+# Function to display an error message and exit
+error_exit() {
+    echo "Error: $1" >&2
+    exit 1
+}
+
+# Check if the JAR file exists
+if [ ! -f "$JAR_FILE" ]; then
+    error_exit "JAR file not found at $JAR_FILE"
+fi
+
+# Set environment variables (modify as needed)
+ENV_VARS='{"Variables": {"SPRING_DATASOURCE_URL":"jdbc:postgresql://postgresqldb:5432/appdb", "SPRING_DATASOURCE_USERNAME":"appuser", "SPRING_DATASOURCE_PASSWORD":"secret"}}'
+
+# Create Lambda function
+awslocal lambda create-function \
+    --function-name "$FUNCTION_NAME" \
+    --runtime java17 \
+    --timeout 10 \
+    --handler org.springframework.cloud.function.adapter.aws.FunctionInvoker::handleRequest \
+    --role "$IAM_ROLE_ARN" \
+    --zip-file "fileb://$JAR_FILE" \
+    --environment "$ENV_VARS"
+
+echo -e "Lambda function created successfully!\n"
+
+# Create function URL configuration and capture the output
+function_url_response=$(awslocal lambda create-function-url-config --function-name "$FUNCTION_NAME" --auth-type NONE)
+
+# Use jq to extract the FunctionUrl
+function_url=$(echo "$function_url_response" | grep -o '"FunctionUrl": "[^"]*' | cut -d'"' -f4)
+
+# Print the extracted FunctionUrl
+echo "FunctionUrl: $function_url"
+echo -e "Function URL configuration created!\n"
+
+# Wait until the function is active
+awslocal lambda wait function-active-v2 --function-name "$FUNCTION_NAME"
+echo -e "Lambda function is now active\n"
+
+# Invoke Lambda function or use curl
+#awslocal lambda invoke \
+#    --function-name "$FUNCTION_NAME" \
+#    --payload '{"body": "{\"name\": \"profile\"}" }' \
+#    output.txt
+#
+#echo -e "Lambda function invoked successfully\n"
+
+# Use curl to invoke Lambda function and capture the response
+response_from_curl=$(curl -X POST \
+    "$function_url" \
+    -H 'Content-Type: application/json' \
+    -d '{"name": "profile"}')
+
+# Print the response from curl
+echo "Response from curl: $response_from_curl"

aws-lambda-project/README.md

@@ -1,5 +1,7 @@
 # aws-lambda-project
 
+Request must be smaller than 69905067 bytes for the CreateFunction operation in aws lambda
+
 ### Format code
 
 ```shell

aws-lambda-project/docker/docker-compose.yml

@@ -2,25 +2,33 @@ version: '3.8'
 services:
 
   postgresqldb:
-    image: postgres:16.0-alpine
+    image: postgres:16.1-alpine
     environment:
       - POSTGRES_USER=appuser
       - POSTGRES_PASSWORD=secret
       - POSTGRES_DB=appdb
     ports:
       - "5432:5432"
+    networks:
+      - aws-lambda
 
   localstack:
-    image: localstack/localstack:2.3.2
+    image: localstack/localstack:3.0.0
     ports:
-      - "4566:4566"
+      - "127.0.0.1:4566:4566"            # LocalStack Gateway
+      - "127.0.0.1:4510-4559:4510-4559"  # external services port range
     environment:
-      - SERVICES=s3,sqs
-      - DEFAULT_REGION=us-east-1
+      - DEBUG=${DEBUG-}
       - DOCKER_HOST=unix:///var/run/docker.sock
-      - USE_SSL=0
-      - AWS_CBOR_DISABLE=1
+      - SERVICES=lambda
+      - LAMBDA_RUNTIME_ENVIRONMENT_TIMEOUT=30
     volumes:
+      - "../target:/localstackTemp"
       - "${LOCALSTACK_VOLUME_DIR:-./volume}:/var/lib/localstack"
       - "/var/run/docker.sock:/var/run/docker.sock"
       - "../.localstack:/etc/localstack/init/ready.d"  # ready hook
+    networks:
+      - aws-lambda
+
+networks:
+  aws-lambda:

aws-lambda-project/pom.xml

@@ -24,7 +24,8 @@
         <spring-cloud.version>2022.0.4</spring-cloud.version>
         <spring-cloud-aws.version>3.0.3</spring-cloud-aws.version>
         <springdoc-openapi.version>2.2.0</springdoc-openapi.version>
-        <commons-io.version>2.15.0</commons-io.version>
+        <wrapper.version>1.0.31.RELEASE</wrapper.version>
+        <aws.java.sdk.version>2.21.28</aws.java.sdk.version>
 
         <project.testresult.directory>${project.build.directory}/test-results</project.testresult.directory>
         <spotless.version>2.40.0</spotless.version>
@@ -46,38 +47,19 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-actuator</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-validation</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
         <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-devtools</artifactId>
-            <scope>runtime</scope>
-            <optional>true</optional>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-function-adapter-aws</artifactId>
         </dependency>
         <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-configuration-processor</artifactId>
-            <optional>true</optional>
-        </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <optional>true</optional>
-        </dependency>
-        <dependency>
-            <groupId>io.awspring.cloud</groupId>
-            <artifactId>spring-cloud-aws-starter</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>io.awspring.cloud</groupId>
-            <artifactId>spring-cloud-aws-starter-sqs</artifactId>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>lambda</artifactId>
         </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-jpa</artifactId>
@@ -91,20 +73,6 @@
             <groupId>org.liquibase</groupId>
             <artifactId>liquibase-core</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.springdoc</groupId>
-            <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
-            <version>${springdoc-openapi.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>${commons-io.version}</version>
-        </dependency>
 
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -116,11 +84,6 @@
             <artifactId>spring-boot-testcontainers</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.awaitility</groupId>
-            <artifactId>awaitility</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.testcontainers</groupId>
             <artifactId>junit-jupiter</artifactId>
@@ -136,6 +99,17 @@
             <artifactId>localstack</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.apache.maven.shared</groupId>
+            <artifactId>maven-invoker</artifactId>
+            <version>3.2.0</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.rest-assured</groupId>
+            <artifactId>rest-assured</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <dependencyManagement>
@@ -154,14 +128,35 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
+            <dependency>
+                <groupId>software.amazon.awssdk</groupId>
+                <artifactId>bom</artifactId>
+                <version>${aws.java.sdk.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <dependencies>
+                    <dependency>
+                        <groupId>org.springframework.boot.experimental</groupId>
+                        <artifactId>spring-boot-thin-layout</artifactId>
+                        <version>${wrapper.version}</version>
+                    </dependency>
+                </dependencies>
                 <executions>
                     <execution>
                         <goals>
@@ -170,6 +165,16 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.5.1</version>
+                <configuration>
+                    <createDependencyReducedPom>false</createDependencyReducedPom>
+                    <shadedArtifactAttached>true</shadedArtifactAttached>
+                    <shadedClassifierName>aws</shadedClassifierName>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>io.github.git-commit-id</groupId>
                 <artifactId>git-commit-id-maven-plugin</artifactId>

aws-lambda-project/src/main/java/com/learning/awslambda/Application.java

@@ -1,12 +1,9 @@
 package com.learning.awslambda;
 
-import com.learning.awslambda.config.ApplicationProperties;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.boot.context.properties.EnableConfigurationProperties;
 
 @SpringBootApplication
-@EnableConfigurationProperties({ApplicationProperties.class})
 public class Application {
 
     public static void main(String[] args) {

aws-lambda-project/src/main/java/com/learning/awslambda/config/AWSLambdaConfig.java

@@ -0,0 +1,17 @@
+package com.learning.awslambda.config;
+
+import com.learning.awslambda.model.request.ActorRequest;
+import com.learning.awslambda.model.response.ActorResponse;
+import com.learning.awslambda.services.ActorService;
+import java.util.function.Function;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration(proxyBeanMethods = false)
+public class AWSLambdaConfig {
+
+    @Bean
+    Function<ActorRequest, ActorResponse> findActorByName(ActorService actorService) {
+        return request -> actorService.findActorByName(request.name());
+    }
+}