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package fr.da_sha1.exceptions;

//... imports are skipped for simplicity

/**
 * Model class to send error details to a client in a form of a Problem details object, described in RFC7807.
 * Inspired  * by <a href="https://github.com/zalando/problem">zalando/problem</a> library.
 * For more information please refer to https://tools.ietf.org/html/rfc7807
 * @author Daria HERVIEUX
 */

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import java.net.URL;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.MalformedURLException;

public class URLCreator {
    public static void main(String[ ] args) throws MalformedURLException, URISyntaxException {
        //base URL
        URL urlPlateform = new URL("http://somehost.com/context");
        

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import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import lombok.*;
/**
 * Value object with final fields,modified by @Value lombock annotation.
 * Jackson will deserialize the object using the builder, generated by @Builder lombock annotation.
 */
@Value
@Builder
@JsonDeserialize(builder = ValueObject1.ValueObject1Builder.class)
public class ValueObject1 {

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import static org.assertj.core.api.Assertions.within;
//...

public class UserTest {
  private UserService userService = new UserService();
  
  @Test
  public void given_valid_inputs_creation_is_ok() throws Exception {
    User userToCreate = new User("name");  
    User user = userService.create(userToCreate);

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import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.util.StringUtils;

import javax.annotation.PostConstruct;
import java.io.File;
import java.io.InputStream;
import java.nio.file.Files;

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Lines endings

Windows - CRLF - carriage retur + linefeed - \r\n Linux - LF - linefeed - \n MAC - CR - carriage return - \r

Global configuration on working machine

core.autocrlf configuration setting:

• true - this converts LF endings into CRLF when you check out code, converts CRLF line endings into LF when you add a file to the index; usually used on windows machines
• input - this converts CRLF to LF on commit only; used on Linux machines; if a file with CRLF endings accidentally gets introduced, it gets fixed on commit

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Generate a new project

You can use Build Init Plugin to generate a new Gradle build.

Generate a multi-module project

The java-application generates a new multi-module project with one submodule app. The henerated project has the following layout:

.

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Linux Cheat-sheet

OS Details

Get distribution details:

$ cat /etc/*-release

Disk usage

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Running container

Images

Get images information

Get image size: >docker images --format "table {{.ID}}\t{{.Tag}}\t{{.Size}}"

Inspect

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Docker executor

The Docker executor when used with GitLab CI, connects to Docker Engine and runs each build in a separate and isolated container. The image for the job is :

• either the predefined image set up in the runner configuration (config.toml)
• or the image set up in .gitlab-ci.yml

Using docker commands in jobs

Using docker on CICD jobs in GitLab means using Docker-in-Docker (dind):