implementing microservices Remmelt Pit @remmelt_ remmelt@info.nl - PowerPoint PPT Presentation

implementing microservices Remmelt Pit @remmelt_ remmelt@info.nl

since 2003

12,000 auctions

~2M unique visitors/month

modular site & admin & API

trouble! scalability

trouble! stability

basically we wanted to go faster

Rapid Provisioning Basic Monitoring Rapid App Deploys DevOps Culture — Martin Fowler

tech challenge #1 getting started

RTFM

RTFM WTFM

acceptance criteria: API endpoint: GET /highestbid → json Events: BidAcceptedEvent { ..., "bid_amount":12.34, ... }

tech challenge #2 monolith first?

distributed monolith — Tareq Abedrabbo

tech challenge #3 building things

#! /bin/sh IMAGE=bvaauctions/auction-query TAG=$(git rev-parse --short HEAD) docker run --rm \ -v "$PWD":/usr/src/project \ -w /usr/src/project \ -v "$HOME"/.m2:/root/.m2 \ maven:3.3-jdk-8 \ mvn -B clean verify docker build -t $IMAGE:$TAG . docker push $IMAGE:$TAG

tech challenge #4 monitoring

tech challenge #5 hidden complexity

ls -l | grep "str" | wc -l

services with the guts on the outside — Gartner

tech challenges 1. getting started → start small 2. monolith first? → iterate quickly 3. building things → automate 4. monitoring → aggregate & visualise 5. hidden complexity → be aware

TODO —chaos monkey —failure modes (simulate slow network) —mesos/coreos/kubernetes? —kpi monitoring —bulkheads, circuit breakers —e2e testing with fake data in production

Q?