How do you do blue green deployment?

How do you do blue green deployment?

Using Blue-Green Deployment to Reduce Downtime and Risk

1. Step 1: Push an App.
2. Step 2: Update App and Push.
3. Step 3: Map Original Route to Green.
4. Step 4: Unmap Route to Blue.
5. Step 5: Remove Temporary Route to Green.

How do you handle database in blue green deployment?

There are two requirements for implementing blue-green deployments using a shared database:

1. Make all database changes backward compatible. Any changes made to the database schema must not break the existing application.
2. Decouple database changes from application changes.

What is blue green deployment of Microservices?

Blue green deployment is an application release model that gradually transfers user traffic from a previous version of an app or microservice to a nearly identical new release—both of which are running in production.

What is the purpose of the Blue Green deployment pattern?

Is Blue Green the same as canary?

Canary deployment is like blue-green, except it’s more risk-averse. Instead of switching from blue to green in one step, you use a phased approach. With canary deployment, you deploy a new application code in a small part of the production infrastructure.

When to use blue green deployment with single database?

Blue-Green Deployment With a Single Database. Bozho June 23, 2015. A blue-green deployment is a way to have incremental updates to your production stack without downtime and without any complexity for properly handling rolling updates (including the rollback functionality)

How to deploy a blue / green database in octopus?

The first try at the blue/green deployment process for this change could look like this: Run the script to add the column CustomerFullName. Run the backfill script to populate CustomerFullName. Deploy code to the Blue environment. Verify the code and database changes in the Blue environment.

Is it possible to switch from green to blue database?

There are several advantages to this approach. Rollbacks are just a matter of switching from Blue to Green or Green to Blue. When switchovers occur, they are seamless because the code has already been running, and there is no need to wait for it to compile or warm-up.

Why are rollbacks from green to blue seamless?

Rollbacks are just a matter of switching from Blue to Green or Green to Blue. When switchovers occur, they are seamless because the code has already been running, and there is no need to wait for it to compile or warm-up. Changes are verified in production without any customers hitting the code, which reduces the risk in the deployments.