Prefer boring foundations
Mature components and restrained configurations are easier to understand, repair, and keep secure.
FIELD NOTES
Quiet systems,
built to last.
Short notes about maintaining small, dependable internet services: simple designs, measured changes, and fewer surprises.
Observe before changing
A few careful measurements usually reveal more than a long sequence of speculative fixes.
Keep the edges small
Expose only what is needed, document the boundaries, and make recovery a normal operation.