Meky/crud operations

.gitignore

@@ -1,3 +1,7 @@
+# Ignore Maven build output
+/target/
+/logs/
+
 HELP.md
 target/
 !.mvn/wrapper/maven-wrapper.jar
@@ -30,4 +34,5 @@ build/
 !**/src/test/**/build/
 
 ### VS Code ###
-.vscode/
+.vscode/
+

docker-compose.yml

@@ -0,0 +1,59 @@
+version: '3.8'
+
+services:
+
+  cart-service:
+    image: openjdk:25-ea-4-jdk-oraclelinux9
+    container_name: cart-service
+    ports:
+      - "8081:8080"
+    environment:
+      SPRING_DATA_MONGODB_URI: mongodb://cart-db:27017/cartDB
+      SPRING_DATA_MONGODB_DATABASE: cartDB
+    depends_on:
+      - cart-db
+    volumes:
+      - ./target:/app
+      - ./logs:/logs
+    command: ["java", "-jar", "/app/cart-0.0.1-SNAPSHOT.jar"]
+
+  cart-db:
+    image: mongo:8.0.9
+    container_name: cart-db
+    environment:
+      MONGO_INITDB_DATABASE: cartDB
+    ports:
+      - "27018:27017"
+    volumes:
+      - cart-mongo-data:/data/db
+
+  # Reuse Loki and Promtail from your existing setup
+  loki:
+    image: grafana/loki:latest
+    container_name: loki
+    ports:
+      - "3100:3100"
+    command:
+      - -config.file=/etc/loki/local-config.yaml
+
+  promtail:
+    image: grafana/promtail:latest
+    container_name: promtail
+    volumes:
+      - ./promtail.yml:/etc/promtail/promtail-config.yaml
+      - ./logs:/logs
+    command:
+      - -config.file=/etc/promtail/promtail-config.yaml
+    depends_on:
+      - loki
+
+  grafana:
+    image: grafana/grafana:latest
+    container_name: grafana
+    ports:
+      - "3000:3000"
+    depends_on:
+      - loki
+
+volumes:
+  cart-mongo-data:

pom.xml

@@ -0,0 +1,179 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.4.5</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+
+    <groupId>com.podzilla</groupId>
+    <artifactId>cart</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>cart</name>
+    <description>This is the cart service for Podzilla</description>
+
+    <properties>
+        <java.version>23</java.version>
+    </properties>
+
+    <dependencies>
+        <!-- MongoDB -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-mongodb</artifactId>
+        </dependency>
+
+        <!-- Web -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <!-- Validation -->
+        <dependency>
+            <groupId>jakarta.validation</groupId>
+            <artifactId>jakarta.validation-api</artifactId>
+            <version>3.0.2</version>
+        </dependency>
+
+        <!-- Lombok -->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <!-- Swagger / OpenAPI -->
+        <dependency>
+            <groupId>org.springdoc</groupId>
+            <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+            <version>2.8.5</version>
+        </dependency>
+
+        <!-- Logging -->
+        <dependency>
+            <groupId>net.logstash.logback</groupId>
+            <artifactId>logstash-logback-encoder</artifactId>
+            <version>7.4</version>
+        </dependency>
+
+        <!-- Devtools -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+
+        <!-- Testing -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- JUnit 5 -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>5.10.0</version>
+            <scope>test</scope>
+        </dependency>
+        <!-- Mockito -->
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <version>5.5.0</version>
+            <scope>test</scope>
+        </dependency>
+        <!-- Mockito JUnit 5 Extension -->
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-junit-jupiter</artifactId>
+            <version>5.5.0</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>de.flapdoodle.embed</groupId>
+            <artifactId>de.flapdoodle.embed.mongo</artifactId>
+            <version>4.9.3</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- WireMock -->
+        <dependency>
+            <groupId>com.github.tomakehurst</groupId>
+            <artifactId>wiremock-jre8</artifactId>
+            <version>2.35.0</version>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- Spring Boot Starter Data MongoDB -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-mongodb</artifactId>
+        </dependency>
+        <!-- Embedded MongoDB for Testing -->
+        <dependency>
+            <groupId>de.flapdoodle.embed</groupId>
+            <artifactId>de.flapdoodle.embed.mongo</artifactId>
+            <version>4.9.3</version>
+            <scope>test</scope>
+        </dependency>
+        <!-- Spring Boot Test -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <!-- WireMock for Testing -->
+        <dependency>
+            <groupId>com.github.tomakehurst</groupId>
+            <artifactId>wiremock-jre8</artifactId>
+            <version>2.35.0</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <annotationProcessorPaths>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </path>
+                    </annotationProcessorPaths>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

promtail.yml

@@ -0,0 +1,18 @@
+server:
+  http_listen_port: 9080
+  grpc_listen_port: 0
+
+positions:
+  filename: /tmp/positions.yaml
+
+clients:
+  - url: http://loki:3100/loki/api/v1/push
+
+scrape_configs:
+  - job_name: cart-service
+    static_configs:
+      - targets:
+          - localhost
+        labels:
+          job: cart-service
+          __path__: ./logs/*.log

src/main/java/cart/CartApplication.java

@@ -0,0 +1,13 @@
+package cart;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
+
+@SpringBootApplication
+@EnableMongoRepositories(basePackages = "cart.repository")
+public class CartApplication {
+    public static void main(final String[] args) {
+        SpringApplication.run(CartApplication.class, args);
+    }
+}

src/main/java/cart/config/AppConfig.java

@@ -0,0 +1,15 @@
+package cart.config;
+
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class AppConfig {
+
+    @Bean
+    public RestTemplate restTemplate() {
+        return new RestTemplate();
+    }
+}