Google SRE Handbooks

Per SRE Google engineer suggestions, following are some free SRE resources; read in the following order:

1. https://landing.google.com/sre/workbook/toc/…
2. https://landing.google.com/sre/sre-book/toc/index.html
3. https://static.googleusercontent.com/media/landing.google.com/en//sre/static/pdf/Building_Secure_and_Reliable_Systems.pdf