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SSL with Lets Encrypt on K8s Ashwin @ Zoomcar

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Agenda ● SSLs and LetsEncrypt ● K8s and Microservices ● Cert Manager Demo ● Q & A

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SSLs and Lets Encrypt

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● Privacy ● Integrity ● Identification

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SSL / TLS / HTTPS

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● SSLv2 - 1995-ish - Netscape ● SSLv3 ● TLS 1.0 - 1999 - IETF - SSLv3.1 ● TLS 1.1 - 2006 ● TLS 1.2 - 2008 ● SSL 3.0 dep - 2015 ● TLS 1.3 - 2018

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Keys & Handshake

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Asymmetric Handshake

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Symmetric key Data exchange

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Certificates & Authorities

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● Issue Certificates ● Confirm Identity of Cert Owner ● Provide Proof of Cert Validity

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● Domain Validated ● Organization Validated ● Extended Validation

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K8s and Microservices

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● Microservices - Architectural Guidance ● Multiple services on colocated arch ● Does not dictate container use ● Containers best suited for use case

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Kubernetes

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● Code will fail ● System resilience and availability ● Typical functions: Config, Deploy, Scale, Auth, Quota, Lifecycle, Federate, etc

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Demo & Questions

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Thank You [email protected] +91 9003010231