JAVA-12420 Renamed docker to docker-modules

docker-modules/docker-spring-boot-postgres/src/main/docker/Dockerfile

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+FROM adoptopenjdk:11-jre-hotspot
+MAINTAINER baeldung.com
+
+ARG JAR_FILE=*.jar
+COPY ${JAR_FILE} application.jar
+
+ENTRYPOINT ["java", "-jar", "application.jar"]

docker-modules/docker-spring-boot-postgres/src/main/docker/docker-compose.yml

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+version: '2'
+
+services:
+  app:
+    image: 'docker-spring-boot-postgres:latest'
+    build:
+      context: .
+    container_name: app
+    depends_on:
+      - db
+    environment:
+      - SPRING_DATASOURCE_URL=jdbc:postgresql://db:5432/compose-postgres
+      - SPRING_DATASOURCE_USERNAME=compose-postgres
+      - SPRING_DATASOURCE_PASSWORD=compose-postgres
+      - SPRING_JPA_HIBERNATE_DDL_AUTO=update
+          
+  db:
+    image: 'postgres:13.1-alpine'
+    container_name: db
+    environment:
+      - POSTGRES_USER=compose-postgres
+      - POSTGRES_PASSWORD=compose-postgres

docker-modules/docker-spring-boot-postgres/src/main/java/com/baeldung/docker/Customer.java

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+package com.baeldung.docker;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+@Entity
+@Table(name = "customer")
+public class Customer {
+
+    @Id
+    @GeneratedValue
+    private long id;
+    
+    
+    @Column(name = "first_name", nullable = false)
+    private String firstName;
+    
+    @Column(name = "last_name", nullable = false)
+    private String lastName;
+
+    public Customer() {
+        super();
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    @Override
+    public String toString() {
+        return "Customer [id=" + id + ", firstName=" + firstName + ", lastName=" + lastName + "]";
+    }
+
+}

docker-modules/docker-spring-boot-postgres/src/main/java/com/baeldung/docker/CustomerRepository.java

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+package com.baeldung.docker;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CustomerRepository extends JpaRepository<Customer, Long> {
+
+}

docker-modules/docker-spring-boot-postgres/src/main/java/com/baeldung/docker/DemoApplication.java

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+package com.baeldung.docker;
+
+import java.util.List;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.event.EventListener;
+
+@SpringBootApplication
+public class DemoApplication {
+    private final Logger logger = LoggerFactory.getLogger(DemoApplication.class);
+    
+    @Autowired private CustomerRepository repository;
+    
+    public static void main(String[] args) {
+        SpringApplication.run(DemoApplication.class, args);
+    }
+
+    @EventListener(ApplicationReadyEvent.class)
+    public void runAfterStartup() {
+        queryAllCustomers();
+        createCustomer();
+        queryAllCustomers();
+    }
+
+    private void createCustomer() {
+        Customer newCustomer = new Customer();
+        newCustomer.setFirstName("John");
+        newCustomer.setLastName("Doe");
+        logger.info("Saving new customer...");
+        this.repository.save(newCustomer);
+    }
+
+    private void queryAllCustomers() {
+        List<Customer> allCustomers = this.repository.findAll();
+        logger.info("Number of customers: " + allCustomers.size());
+    }
+    
+}

docker-modules/docker-spring-boot-postgres/src/test/java/com/baeldung/docker/DemoApplicationTests.java

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+package com.baeldung.docker;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class DemoApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}