Business Context
Mastek helped the organization fast-track the resolution of certain use cases to improve customer solutions. We leveraged our experience in implementing and automating DevSecOps processes for various applications, reducing 75% of the lead time for the customer.
The Client
The UK NHS Test & Trace programme was established in March 2020 to manage the emerging Covid-19 Pandemic.
With tracing contacts a vital part of containing the pandemic nationally and globally.
Capability has been delivered that has enabled the department to achieve 200K+ tests in a day and tracing contacts. However, the requirements and priorities are rapidly and constantly changing amidst an evolving public health and political landscape.
The Situation
- To create the infrastructure quickly for Covid Test and Trace.
- Inconsistent approach for security, and information governance & Manual Infrastructure Provisioning.
- Lack of flexibility and scalability due to CloudFormation.
- Lack of effective team collaboration as information was not easily shared.
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Longer lead time due to runtime configurations.
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Service downtime while incremental deployments.
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Use of expensive Amazon CIS hardened images due to Lack of capability to build custom images.
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No Cost Optimization in place.
The Solution
- Leveraging DevOps platform based on GitHub & AWS Pipelines.
- Migrated from CloudFormation to Terraform (IaC) that resulting into more flexible IaC capabilities.
- Implemented the pipeline to use pre-built the AMIs using Packer, with automated security checks.
- Implemented immutable infrastructure , thus eliminating the risks of partial upgrades and patches.
- Implemented collaborative culture for editing documents (live), to support team chat, planning/reporting and general team working.
The Outcome
75% reduction in lead time due to pre-built AMIs.
Zero Downtime Deployments.
Huge cost savings due to closely monitoring of resource utilization.
Unified set of collaboration tooling to increase productivity, efficiency and consistency across T&T.
