rselva

irb(main):012:1* def upsert(terminal_id:, slug:, value:)
irb(main):013:1*   pp terminal_id
irb(main):014:1*   pp slug
irb(main):015:1*   pp value
irb(main):016:0> end
=> :upsert

irb(main):023:0> params = ActionController::Parameters.new({terminal_id:'12345678', slug:'name', value:'Lynx'} )
=> #<ActionController::Parameters {"terminal_id"=>"12345678", "slug"=>"name", "value"=>"Lynx"} permitted: false>

rselva

package com.amazonaws.samples;

import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.auth.BasicSessionCredentials;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.Bucket;

rselva

This page - https://bit.ly/2MezS0z

Part-1. Getting started - Docker environment

Docker CLI

docker [resource/object] [command] [options] [args]

Display Docker version and info

1. $ docker --version
2. $ docker version

rselva

This page https://bit.ly/2QnU5nQ

Preparations for todays Docker workshop

Bring up Windows PowerShell # It is assumed you have Docker for Windows installed

Docker installation

PS:> docker version
--> Should show both server and client details

Download the following images

rselva

Part-8.

Part-9. Spring boot RESTFul application

Part-10. Hubot (Slack bot) (Example)

rselva

To enable auto activation of content assit

Go to:

Window >> Preferences >> Java >> Editor >> Content Assist >> Auto activation triggers for java,
and enter .abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ 

this will trigger the auto activation for class names, methods, etc...

rselva

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**  
* Levels: ERROR >> WARN >> INFO >> DEBUG >> TRACE
*/
public class LogDemoApplication {
	
	private static final Logger logger = LoggerFactory.getLogger(PcsBatchApplication.class);
	
	public static void main(String[] args) {