iwanthaser.blogg.se - Docker network architecture

#Docker network architecture update
#Docker network architecture code

You could also use webhooks to automate this process. Then, perform the refresh request to the Notification service: curl -H "Authorization: Bearer #token#" -XPOST

Uri: fail-fast: true With Spring Cloud Config, You Can Change App Configuration Dynamicallyįor example, the EmailService bean was annotated with That means you can change e-mail text and subject lines without rebuilding and restarting the Notification service application.įirst, change the required properties in the Config server. Just provide bootstrap.yml with the application name and Config service url: spring: Now you don't need any embedded properties in your application. Just build Spring Boot application with spring-cloud-starter-config dependency, autoconfiguration will do the rest. Now, when Notification-service requests it's configuration, Config service responses with shared/notification-service.yml and shared/application.yml (which is shared between all client applications). You can see shareddirectory in Config service resources. In this project, I use native profile, which simply loads config files from the local classpath. It uses a pluggable repository layer that currently supports local storage, Git, and Subversion. Spring Cloud Config is horizontally scalable centralized configuration service for distributed systems. Spring cloud provides powerful tools that enhance Spring Boot applications behaviour to implement those patterns. There's a bunch of common patterns in distributed systems, which could help us to make described core services work. However, this brings us in eventual consistency world. For example, perform synchronous GET request to retrieve data and use asynchronous approach via Message broker for create/update operations in order to decouple services and buffer messages. Common practice in a real-world systems is to use combination of interaction styles.

Service-to-service communication is quite simplified: microservices talking using only synchronous REST API.

It also might make sense to have a polyglot persistence architecture (to сhoose the type of database that is best suited to the service requirements).

For this project, I used MongoDB as the primary database for each service.

Each microservice has it's own database, so there is no way to bypass the API and access persistance data directly.

Save current account notification settings Get current account notification settings Scheduled worker collects required information from other services and sends e-mail messages to subscribed customers. Stores a user's contact information and notification settings (like remind and backup frequency).

#Docker network architecture update

MethodĬreate or update time series datapoint for specified account This data might be used to track cash flow dynamics in an account's lifetime. A datapoint contains values normalized to base currency and time period. Performs calculations on major statistics parameters and captures time series for each account.

Get demo account data (pre-filled incomes/expenses items, etc)

All of them are independently deployable applications, organized around certain business capabilities.Ĭontains general user input logic and validation: incomes/expenses items, savings, and account settings. The monolith application was decomposed into three core microservices. The application provides a way to deal with personal finances, organize incomes and expenses, manage savings, analyze statistics, and create simple forecasts. You can start the whole system with just one command.Īs a basis for this system I chose an old project, whose backend used to be a monolith.

#Docker network architecture code

The code is available on Github, and images are available on Docker Hub. This article provides a starting point for understanding common Microservice architecture patterns by example of a proof-of-concept application built with Spring Boot, Spring Cloud, and Docker.