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Starting up

Docker and Infrastructure services

  1. Creating the Docker network for our services:
  • docker network create micro2025
  1. RabbitMQ -
docker run -it --rm --name rabbitmq \
-p 5672:5672 \
-p 15672:15672 \
--network micro2025 \
-d rabbitmq:4-management
  1. The Postgres Service(s) - we have 2 at the moment
  • a. Postgres for resolver
docker run -it --rm --name postgresresolver \
  -e POSTGRES_USER=serviceuser \
  -e POSTGRES_PASSWORD=servicepwd \
  -e POSTGRES_DB=resolver \
  -p 5432:5432 \
  -v resolver:/var/lib/postgresql/data \
  --network micro2025 \
  -d postgres:15
  • b. Postgres for rounds
docker run -it --rm --name postgresrounds \
  -e POSTGRES_USER=serviceuser \
  -e POSTGRES_PASSWORD=servicepwd \
  -e POSTGRES_DB=rounds \
  -p 5433:5432 \
  -v rounds:/var/lib/postgresql/data \
  --network micro2025 \
  -d postgres:15

Building our services

  1. Frontend - built from Docker file.

    • a. Build: docker build -t frontend:0.1 .
      • b. Run: docker run -d --rm --name frontend --network micro2025 -p 5173:5173 frontend:0.1

  2. Build and run the other services: Build:

  • a. ls [service_folder]
  • b. Build mvn spring-boot:build-image

OR

mvn clean package + docker build -t [image_name] .

  • c. Run:

  • docker run [-d] [--rm] --name [service_name] 
--network [network_name] 
-p 8000:8000 
[image_name]

  • where

    • [-d] => run in detached mode (i.e. not tied to the terminal)

    • [--rm] => remove when done

      • a. Round - Central service
  •   docker run -d --rm --name round --network micro2025 -p 8000:8000 round:0.0.1-SNAPSHOT
    • b. Deck - handles cards and shuffling
  •   docker run -d --rm --name deck --network micro2025 -p 8001:8001 deck:0.0.1-SNAPSHOT
    • c. AutomaPlayer - handles the card play by an automated player
  • docker run -d --rm --name automaplayer --network micro2025 -p 8003:8003 automaplayer:0.0.1-SNAPSHOT
    • d. Resolver - resolves the round and stores results
  • docker run -d --rm --name resolver --network micro2025 -p 8005:8005 resolver:0.0.1-SNAPSHOT
    • e. Run resolver again
  • docker run -d --rm --name resolver2 \
--network micro2025 \
-p 8006:8005 \
resolver:0.0.1-SNAPSHOT

  • Gateway:

  docker run --rm --name gateway \
  --network micro2025 \
  -p 8100:8100 \
  gateway:0.0.1-SNAPSHOT

Additional useful docker commands

  1. docker stop $(docker ps -aq) && docker rm $(docker ps -aq)

What is does:

  • docker ps -aq => Get ids for all running containers
  • docker stop (ids) => stop containers with the ids identified above
  • docker rm (ids) => Remove containers with those ids
  1. docker image prune -a => removes all images without a container (i.e. that are not running). Useful when cleaning up old images.
  • Warning: This makes the next startup slower.

  1. docker volume prune -a => removes all volumes not in use (database storage, for example)

  2. docker ps => check running containers

  3. docker images => check available images

Adding consul:

docker run  \
-d  \
--rm  \
--name=consul \
-p 8500:8500 \
-p 8600:8600/udp \
--network=micro2025 \
hashicorp/consul agent -dev -client 0.0.0.0 -node=cards2025

Locally: consul agent -dev -node cards