DIGIT Core
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2.9-LTS
2.9-LTS
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    • Core Services
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        • Signed Audit Performance Testing Results
      • API Gateway
        • Configuring Gateway Rate Limiting
      • Boundary Service
        • Migrate Old Boundary Data - Steps
      • Email Notification Service
      • Encryption Service
        • Encryption Client Library
        • User Data Security Architecture
        • Guidelines for supporting User Privacy in a module
      • FileStore Service
      • ID Generation Service
      • Indexer Service
        • Indexer Configuration
      • Internal Gateway
      • Location
      • Localization Service
        • Configuring Localization
          • Setup Base Product Localisation
          • Configure SMS and Email
      • MDMS V2 (Master Data Management Service)
        • Adopt New MDMS - Steps
        • MDMS (Master Data Management Service)
          • Setting up Master Data
            • MDMS Overview
            • MDMS Rewritten
            • Configuring Tenants
            • Configuring Master Data
            • Adding New Master
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        • MDMS Migration
      • OTP Service
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      • Persister Service
        • Persister Configuration
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        • Setting Up SMS Gateway
          • Using The Generic GET & POST SMS Gateway Interface
      • User
        • User Session Management
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      • URL Shortening Service
      • Workflow
        • Setting Up Workflows
        • Configuring Workflows For An Entity
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        • Migration To Workflow 2.0
      • Libraries
        • Tracer Library
        • Encryption Client
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        • Section 0: Prep
          • Development Pre-requisites
          • Design Inputs
            • High Level Design
            • Low Level Design
          • Development Environment Setup
        • Section 1: Create Project
          • Generate Project Using API Specs
          • Create Database
          • Configure Application Properties
          • Import Core Models
          • Implement Repository Layer
          • Create Validation & Enrichment Layers
          • Implement Service Layer
          • Build The Web Layer
        • Section 2: Integrate Persister & Kafka
          • Add Kafka Configuration
          • Implement Kafka Producer & Consumer
          • Add Persister Configuration
          • Enable Signed Audit
        • Section 3: Integrate Microservices
          • Integrate IDGen Service
          • Integrate User Service
          • Add MDMS Configuration
          • Integrate MDMS Service
          • Add Workflow Configuration
          • Integrate Workflow Service
          • Integrate URL Shortener Service
        • Section 4: Integrate Billing & Payment
          • Custom Calculator Service
          • Integrate Calculator Service
          • Payment Back Update
        • Section 5: Other Advanced Integrations
          • Add Indexer Configuration
          • Certificate Generation
        • Section 6: Run Final Application
        • Section 7: Build & Deploy Instructions
        • FAQs
      • UI Developer Guide
        • DIGIT-UI
          • UI Components Standardisation
            • DIGIT UI Core React Components
            • DIGIT UI Core Flutter Components
              • Input Field
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              • Dropdown
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              • Toast
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            • DIGIT UI Components v0.2.0
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          • Project Structure
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          • Module.js
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          • Common Hooks
        • Employee Module Setup
          • Write Employee Module Code
          • Create Form - Create Screen
        • Citizen Module Setup
          • Sample screenshots
          • Citizen Landing Screen
          • Write Citizen Module Code
        • Customisation
          • Integrate External Web Application/UI With DIGIT UI
          • Utility - Pre-Process MDMS Configuration
          • CSS Customisation
          • Kibana Dashboard Integration With DSS Module
          • Login Page
        • Setup Monitoring Tools
        • Android Web View & How To Generate APK
        • FAQs
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      • Flutter (Mobile App) UI Developer Guide
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          • Build & Deploy Flutter Web Application
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        • Troubleshooting
    • Operations Guide
      • DIGIT - Infra Overview
      • Kubernetes
        • RBAC Management
        • Database Dump - Playground
      • Setup Jenkins - Docker way
      • GitOps
        • Git Client installation
        • GitHub organization creation
        • Adding new SSH key to it
        • GitHub repo creation
        • GitHub Team creation
        • Enabling Branch protection:
        • CODEOWNER Reviewers
        • Adding Users to the Git
        • Setting up an OAuth with GitHub
        • Fork (Fork the mdms,config repo with a tenant-specific branch)
      • Working with Kubernetes
        • Installation of Kubectl
      • Containerizing application using Docker
        • Creation of Dockerhub account
      • Infra Provisioning Using Terraform
        • Installation of Terraform
      • Customise Existing Terraform Templates
      • Cert-Manager
        • Obtaining SSL certificates with the help of cluster-issuer
      • Moving Docker Images
      • Pre and post deployment checklist
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          • Database
          • Kafka
          • Kafka Connect
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      • Observability
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        • Jaeger Tracing Setup
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        • eGov Monitoring & Alerting Setup
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      • Performance
        • What to monitor?
          • Infrastructure
          • Backbone services
          • Core services
        • Identifying bottlenecks
        • Solutions
      • Handling errors
      • Security
      • Reliability and disaster recovery
      • Privacy
      • Skillsets/hiring
      • Incident management processes
      • Kafka Troubleshooting Guide
        • How to clean up Kafka logs
        • How to change or reset consumer offset in Kafka?
      • SRE Rituals
      • FAQs
        • I am unable to login to the citizen or employee portal. The UI shows a spinner.
        • My DSS dashboard is not reflecting accurate numbers? What can I do?
      • Deployment using helm
        • Helm Installation
        • Helm chart creation
        • Helm chart customization
      • How to Dump Elasticsearch Indexes
      • Deploy Nginx-Ingress-Controller
      • Deployment Job Pipeline Setup
      • OAuth2-Proxy Setup
      • Jira Ticket Creation
    • Implementation Guide
    • Security & Privacy Guide
      • Security & Privacy Guidelines For Product Developers
      • Security & Privacy Guidelines For Solution Implementing Agencies
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  • 🚀Accelerators
    • UI Frameworks
      • Service Build Updates
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      • View
      • Calculation
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      • Deployment - Key Concepts
        • Security Practices
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        • Deploying DIGIT Services
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        • Security Guidelines Handbook
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All content on this page by eGov Foundation is licensed under a Creative Commons Attribution 4.0 International License.

On this page
  • Overview
  • Steps
  • Configure Application Properties
  • Configure Kafka
  • Kafka Topics For Module

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  1. Guides
  2. Developer Guide
  3. Backend Developer Guide
  4. Section 1: Create Project

Configure Application Properties

PreviousCreate DatabaseNextImport Core Models

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Overview

The application.properties file is already populated with default values. Read on to learn how to customise and add extra values for your application (if required).

Steps

Kafka topics for the module that need to be added are detailed .

There are three ways to access services:

a. Run the code locally.

b. Access the service in a DIGIT environment.

c. Access the service locally via port forwarding. This bypasses Zuul's authentication and authorization.

Wherever the localhost is in the URL, the Kubernetes port forwarding has been set up from the development environment to the specified port. In your setup, modify the URLs for the various services depending on whether you are using them from an environment or running them locally or accessing them via port-forwarding.

For example, if no port forwarding has been done, you will have to provide the FQDN of your DIGIT install instead of localhost. Also, without port forwarding, you will have to update the auth tokens in your .aws profile file periodically.

Include all the necessary service host URLs and API endpoints in the "application.properties" file.

This guide specifically references the User, Localisation, HRMS, IDGen, MDMS, and Workflow services that are operational within the DIGIT development environment.

Configure Application Properties

  1. Add the following properties to the application.properties file.

#Localization config
egov.localization.host=https://dev.digit.org
egov.localization.workDir.path=/localization/messages/v1
egov.localization.context.path=/localization/messages/v1
egov.localization.search.endpoint=/_search
egov.localization.statelevel=true

#mdms urls
egov.mdms.host=https://dev.digit.org
egov.mdms.search.endpoint=/egov-mdms-service/v1/_search

#hrms urls
egov.hrms.host=https://dev.digit.org
egov.hrms.search.endpoint=/egov-hrms/employees/_search

#User config
#egov.user.host=https://dev.digit.org
egov.user.host=http://localhost:8284/
egov.user.context.path=/user/users
egov.user.create.path=/_createnovalidate
egov.user.search.path=/user/_search
egov.user.update.path=/_updatenovalidate

#Idgen Config
egov.idgen.host=http://localhost:8285/
egov.idgen.path=egov-idgen/id/_generate

#Workflow config
is.workflow.enabled=true
egov.workflow.host=http://localhost:8280
egov.workflow.transition.path=/egov-workflow-v2/egov-wf/process/_transition
egov.workflow.businessservice.search.path=/egov-workflow-v2/egov-wf/businessservice/_search
egov.workflow.processinstance.search.path=/egov-workflow-v2/egov-wf/process/_search

The following properties must be added for configuring the database and Kafka server. Make sure to use the default values to tune in the Kafka server that can be overwritten during deployment.

  1. Include the following properties in the "application.properties" file to configure the database and Kafka for development purposes once you have completed adding the external dependencies to the "pom.xml" file and reloading the Maven changes.

#DATABASE CONFIGURATION
spring.datasource.driver-class-name=org.postgresql.Driver
spring.datasource.url=jdbc:postgresql://localhost:5432/birthregn
spring.datasource.username=birth
spring.datasource.password=birth

Configure Kafka

# KAFKA SERVER CONFIGURATIONS
kafka.config.bootstrap_server_config=localhost:9092
spring.kafka.consumer.value-deserializer=org.egov.tracer.kafka.deserializer.HashMapDeserializer
spring.kafka.consumer.key-deserializer=org.apache.kafka.common.serialization.StringDeserializer
spring.kafka.consumer.group-id={PLACEHOLDER_PUT_KAFKA_CONSUMER_NAME}
spring.kafka.producer.key-serializer=org.apache.kafka.common.serialization.StringSerializer
spring.kafka.producer.value-serializer=org.springframework.kafka.support.serializer.JsonSerializer
spring.kafka.listener.missing-topics-fatal=false
spring.kafka.consumer.properties.spring.json.use.type.headers=false

# KAFKA CONSUMER CONFIGURATIONS
kafka.consumer.config.auto_commit=true
kafka.consumer.config.auto_commit_interval=100
kafka.consumer.config.session_timeout=15000
kafka.consumer.config.auto_offset_reset=earliest

# KAFKA PRODUCER CONFIGURATIONS
kafka.producer.config.retries_config=0
kafka.producer.config.batch_size_config=16384
kafka.producer.config.linger_ms_config=1
kafka.producer.config.buffer_memory_config=33554432

Kafka Topics For Module

Create & Update Kafka Topics For The Module

  1. Append Kafka configurations as per the specific requirements of the DIGIT services. Each module may use different configurations to manage its topics.

# Birth registration Kafka config
btr.kafka.create.topic=save-bt-application
btr.kafka.update.topic=update-bt-application
btr.default.offset=0
btr.default.limit=10
btr.search.max.limit=50
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