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What is Consul?

Consul is a distributed service mesh to connect, secure, and configure services across any runtime platform and public or private cloud

Consul Installation and usage

1. Download and install Consul on Ubuntu 18.04 from here

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What is the spring-boot-configuration-processor ?

Doing so, scans the libraries in the build and sees what properties they use so as to inform the IDE

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-configuration-processor</artifactId>
	<optional>true</optional>
</dependency>

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import javax.sql.DataSource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.jdbc.DataSourceBuilder;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

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appName.dbOne.datasource.driverClassName=org.postgresql.Driver
appName.dbOne.datasource.url=jdbc:postgresql://localhost/dbOne
appName.dbOne.datasource.username=test
appName.dbOne.datasource.password=test

appName.dbTwo.datasource.driverClassName=org.postgresql.Driver
appName.dbTwo.datasource.url=jdbc:postgresql://localhost/dbTwo
appName.dbTwo.datasource.username=test
appName.dbTwo.datasource.password=test

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EPNOC error

echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

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Install ngrok

1. Download ngrok for your favorite OS.
2. Unzip and, if you want, add it to your path (Move it to /usr/local/binor use your favorite command)

$ unzip /path/to/ngrok.zip

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Key

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Click this link

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Copy and Paste the following snippet into your spring boot application project and change the parametersas you find fit.

spring.datasource.url=jdbc:mysql://localhost:3306/jpa?createDatabaseIfNotExist=true
spring.datasource.username=root
spring.datasource.password=root
spring.jpa.hibernate.ddl-auto=create-drop

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/*
 * Handling Errors using async/await
 * Has to be used inside an async function
 */
try {
    const response = await axios.get('https://your.site/api/v1/bla/ble/bli');
    // Success 🎉
    console.log(response);
} catch (error) {
    // Error 😨