From cc3d21a9b8aabf62bcd921f1cd447d5683f94be9 Mon Sep 17 00:00:00 2001
From: Marco Verleun <marco@verleun.org>
Date: Wed, 3 Apr 2024 03:33:13 +0200
Subject: [PATCH] Add compose files

---
 docker-compose/docker-compose.images.yml | 69 +++++++++++++++++
 docker-compose/docker-compose.yml        | 96 ++++++++++++++++++++++++
 docker-compose/docker-stack.yml          | 53 +++++++++++++
 3 files changed, 218 insertions(+)
 create mode 100644 docker-compose/docker-compose.images.yml
 create mode 100644 docker-compose/docker-compose.yml
 create mode 100644 docker-compose/docker-stack.yml

diff --git a/docker-compose/docker-compose.images.yml b/docker-compose/docker-compose.images.yml
new file mode 100644
index 0000000..8b2e7d9
--- /dev/null
+++ b/docker-compose/docker-compose.images.yml
@@ -0,0 +1,69 @@
+# for running in docker compose with prebuilt images
+
+# version is now using "compose spec"
+# v2 and v3 are now combined!
+# docker-compose v1.27+ required
+
+services:
+  vote:
+    image: dockersamples/examplevotingapp_vote
+    depends_on:
+      redis:
+        condition: service_healthy 
+    ports:
+      - "5000:80"
+    networks:
+      - front-tier
+      - back-tier
+
+  result:
+    image: dockersamples/examplevotingapp_result
+    depends_on:
+      db:
+        condition: service_healthy 
+    ports:
+      - "5001:80"
+    networks:
+      - front-tier
+      - back-tier
+
+  worker:
+    image: dockersamples/examplevotingapp_worker
+    depends_on:
+      redis:
+        condition: service_healthy 
+      db:
+        condition: service_healthy 
+    networks:
+      - back-tier
+
+  redis:
+    image: redis:alpine
+    volumes:
+      - "./healthchecks:/healthchecks"
+    healthcheck:
+      test: /healthchecks/redis.sh
+      interval: "5s"
+    networks:
+      - back-tier
+
+  db:
+    image: postgres:15-alpine
+    environment:
+      POSTGRES_USER: "postgres"
+      POSTGRES_PASSWORD: "postgres"
+    volumes:
+      - "db-data:/var/lib/postgresql/data"
+      - "./healthchecks:/healthchecks"
+    healthcheck:
+      test: /healthchecks/postgres.sh
+      interval: "5s"
+    networks:
+      - back-tier
+
+volumes:
+  db-data:
+
+networks:
+  front-tier:
+  back-tier:
diff --git a/docker-compose/docker-compose.yml b/docker-compose/docker-compose.yml
new file mode 100644
index 0000000..7c2577a
--- /dev/null
+++ b/docker-compose/docker-compose.yml
@@ -0,0 +1,96 @@
+# version is now using "compose spec"
+# v2 and v3 are now combined!
+# docker-compose v1.27+ required
+
+services:
+  vote:
+    build: ./vote
+    # use python rather than gunicorn for local dev
+    command: python app.py
+    depends_on:
+      redis:
+        condition: service_healthy
+    healthcheck: 
+      test: ["CMD", "curl", "-f", "http://localhost"]
+      interval: 15s
+      timeout: 5s
+      retries: 3
+      start_period: 10s
+    volumes:
+     - ./vote:/app
+    ports:
+      - "5000:80"
+    networks:
+      - front-tier
+      - back-tier
+
+  result:
+    build: ./result
+    # use nodemon rather than node for local dev
+    entrypoint: nodemon server.js
+    depends_on:
+      db:
+        condition: service_healthy 
+    volumes:
+      - ./result:/app
+    ports:
+      - "5001:80"
+      - "5858:5858"
+    networks:
+      - front-tier
+      - back-tier
+
+  worker:
+    build:
+      context: ./worker
+    depends_on:
+      redis:
+        condition: service_healthy 
+      db:
+        condition: service_healthy 
+    networks:
+      - back-tier
+
+  redis:
+    image: redis:alpine
+    volumes:
+      - "./healthchecks:/healthchecks"
+    healthcheck:
+      test: /healthchecks/redis.sh
+      interval: "5s"
+    networks:
+      - back-tier
+
+  db:
+    image: postgres:15-alpine
+    environment:
+      POSTGRES_USER: "postgres"
+      POSTGRES_PASSWORD: "postgres"
+    volumes:
+      - "db-data:/var/lib/postgresql/data"
+      - "./healthchecks:/healthchecks"
+    healthcheck:
+      test: /healthchecks/postgres.sh
+      interval: "5s"
+    networks:
+      - back-tier
+
+  # this service runs once to seed the database with votes
+  # it won't run unless you specify the "seed" profile
+  # docker compose --profile seed up -d
+  seed:
+    build: ./seed-data
+    profiles: ["seed"]
+    depends_on:
+      vote:
+        condition: service_healthy 
+    networks:
+      - front-tier
+    restart: "no"
+
+volumes:
+  db-data:
+
+networks:
+  front-tier:
+  back-tier:
diff --git a/docker-compose/docker-stack.yml b/docker-compose/docker-stack.yml
new file mode 100644
index 0000000..0d00b6a
--- /dev/null
+++ b/docker-compose/docker-stack.yml
@@ -0,0 +1,53 @@
+# this file is meant for Docker Swarm stacks only
+# trying it in compose will fail because of multiple replicas trying to bind to the same port
+# Swarm currently does not support Compose Spec, so we'll pin to the older version 3.9
+
+version: "3.9"
+
+services:
+
+  redis:
+    image: redis:alpine
+    networks:
+      - frontend
+
+  db:
+    image: postgres:15-alpine
+    environment:
+      POSTGRES_USER: "postgres"
+      POSTGRES_PASSWORD: "postgres"
+    volumes:
+      - db-data:/var/lib/postgresql/data
+    networks:
+      - backend
+
+  vote:
+    image: dockersamples/examplevotingapp_vote
+    ports:
+      - 5000:80
+    networks:
+      - frontend
+    deploy:
+      replicas: 2
+
+  result:
+    image: dockersamples/examplevotingapp_result
+    ports:
+      - 5001:80
+    networks:
+      - backend
+
+  worker:
+    image: dockersamples/examplevotingapp_worker
+    networks:
+      - frontend
+      - backend
+    deploy:
+      replicas: 2
+
+networks:
+  frontend:
+  backend:
+
+volumes:
+  db-data: