What is Apache CouchDB?

Apache CouchDB is a free and open-source NoSQL database that uses JSON documents to store data, JavaScript as its query language, and HTTP as an API. It is known for its ease of use, reliability, and ability to handle distributed data.

How does CouchDB differ from other NoSQL databases?

CouchDB uses a document-oriented model with MVCC (Multi-Version Concurrency Control) for conflict resolution. Unlike many NoSQL databases, it has a built-in REST HTTP API, making it accessible from any application that supports HTTP requests.

What are the main use cases for Apache CouchDB?

CouchDB is ideal for mobile applications requiring offline-first capabilities, content management systems, and distributed applications needing master-to-master replication. Its sync protocol makes it popular for apps that need to work offline and sync when connected.

How do I install Apache CouchDB?

You can install Apache CouchDB on Ubuntu by adding the CouchDB repository and using apt-get. Run: sudo apt-get install couchdb. After installation, CouchDB runs as a service accessible at http://localhost:5984 with a Fauxton web UI at http://localhost:5984/_utils.

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January 5, 2021 / Nirav Shah

CouchDB is a database that completely adapted to the web. You can store your data within the JSON documents, access your documents with your web browser, via HTTP, query, combine and transform your documents with JavaScript.

CouchDB works seamlessly with modern web and mobile apps. You can distribute your data, efficiently using CouchDB’s incremental replication.

CouchDB supports master-master setups with automatic conflict detection.

We will explain how to install CouchDB on CentOS 8 installation..

Update the system packages.

sudo yum update

Step 1 Install CouchDB Repository

sudo yum install epel-release

Next, create a repo file

sudo nano /etc/yum.repos.d/bintray-apache-couchdb-rpm.repo

Enter the below following

[bintray--apache-couchdb-rpm]
name=bintray--apache-couchdb-rpm
baseurl=http://apache.bintray.com/couchdb-rpm/el$releasever/$basearch/
gpgcheck=0
repo_gpgcheck=0
enabled=1

apache-couchdb-the-database-management-system

After installing the repository and creating the CouchDB repository. Now it’s the time to install CouchDB.

sudo yum install couchdb

enter Y for confirming the same.

After this enable and start the CouchDB service

sudo systemctl start couchdb
sudo systemctl enable couchdb

The configuration files are stored in the /opt/couchdb directory. To create an admin account open the local.ini file and add a line under the [admins] section using the format username = password. Restart CouchDB service

Note

CouchDB listens on localhost only by default.

Use the following curl command that will check if the installation was successful or not.

curl http://127.0.0.1:5984/

For more information visit the Apache CouchDB Documentation.

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Nirav Shah

Nirav Shah is the Director of Eternal Web Pvt Ltd, an AWS Advanced Consulting Partner and certified Odoo Partner based in the UK. With over a decade of experience in cloud computing, digital transformation, and ERP implementation, Nirav helps enterprises adopt the right technology to solve complex business challenges. He specialises in AWS infrastructure, Odoo ERP, and web development solutions for businesses across the UK and beyond.