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Example: Product Page

Table of contents

  1. docker-compose
  2. Output (markdown)
  3. Images (svg)

docker-compose

Given the following docker-compose:

# inspired from
# https://github.com/Mrsmithz/itkmitl-devops-assignments/blob/332db5a2fe8008018872398e2b247ae2ad39ea33/assignments/08-docker-compose/docker-compose.yaml
services:
  ratings:
    image: ghcr.io/mrsmithz/itkmitl-bookinfo-ratings:dev
    ports:
      - 8080:8080
    environment:
      SERVICE_VERSION: v2
      MONGO_DB_URL: mongodb://mongodb:27017/ratings
      MONGO_DB_USERNAME: ratings
      MONGO_DB_PASSWORD: 123456
    depends_on:
      - mongodb
  mongodb:
    image: bitnami/mongodb:5.0.2-debian-10-r2
    volumes:
      - "./databases:/docker-entrypoint-initdb.d"
    environment:
      MONGODB_ROOT_PASSWORD: root1234
      MONGODB_USERNAME: ratings
      MONGODB_PASSWORD: 123456
      MONGODB_DATABASE: ratings
  details:
    image: ghcr.io/mrsmithz/itkmitl-bookinfo-details:dev
    ports:
      - 8081:8081
  reviews:
    image: ghcr.io/mrsmithz/itkmitl-bookinfo-reviews:dev
    ports:
      - 8082:8082
    environment:
      RATINGS_SERVICE: http://ratings:8080
      ENABLE_RATINGS: "true"
    depends_on:
      - ratings
  productpage:
    image: ghcr.io/mrsmithz/itkmitl-bookinfo-productpage:dev
    ports:
      - 8083:8083
    environment:
      REVIEWS_HOSTNAME: http://reviews:8082
      RATINGS_HOSTNAME: http://ratings:8080
      DETAILS_HOSTNAME: http://details:8081
    depends_on:
      - reviews
      - ratings
      - details

Output (markdown)

Using the default output, the following mermaid diagram is generated:

%%{init: {'theme': 'default'}}%%
flowchart TB
  Vdatabases{{./databases}} x-. /docker-entrypoint-initdb.d .-x mongodb[(mongodb)]
  productpage --> reviews
  productpage --> ratings
  productpage --> details
  ratings --> mongodb
  reviews --> ratings
  P0((8080)) -.-> ratings
  P1((8081)) -.-> details
  P2((8082)) -.-> reviews
  P3((8083)) -.-> productpage

  classDef volumes fill:#fdfae4,stroke:#867a22
  class Vdatabases volumes
  classDef ports fill:#f8f8f8,stroke:#ccc
  class P0,P1,P2,P3 ports

Images (svg)

Using default theme (--with-bg option):

Or dark theme (--with-bg option):