Add Docker container for the Demo Application (#11)

* npm in Docker, Redis Insight, redismod

* Remove package.log and update ioredis

* Update Dockerfile and script's name

* Update Docker Compose

Co-authored-by: Mikhail <47795110+mikhailredis@users.noreply.github.com>

Dockerfile

@@ -0,0 +1,19 @@
+FROM node
+WORKDIR /app
+
+# Install depenencies
+COPY package.json .
+COPY yarn.lock .
+RUN yarn install
+
+# Install Redis tools
+RUN apt update
+RUN apt install -y redis-tools
+
+# Copy Gears and application
+COPY gears ./gears
+COPY src ./src
+COPY ./docker-cmd.sh .
+
+# Run
+CMD [ "./docker-cmd.sh" ]

docker-cmd.sh

@@ -0,0 +1,9 @@
+# Install StreamReader for Time-Series
+cat gears/timeseries.py | redis-cli -h redis -x RG.PYEXECUTE
+
+# Install StreamReader for Orders
+cat gears/orders.py | redis-cli -h redis -x RG.PYEXECUTE
+
+# Run Simulation
+echo "Starting Customers & Orders simulation"
+npm run simulation redis

docker-compose.yml

@@ -1,9 +1,15 @@
 version: "3.4"
 
 services:
+  app:
+    build: .
+    image: ghcr.io/redisgrafana/pop-up-store:latest
+    depends_on:
+      - redis
+
   redis:
     container_name: redis
-    image: ghcr.io/redisgrafana/redis-prophet:latest
+    image: redislabs/redismod
     ports:
       - "6379:6379"
 

package.json

@@ -1,19 +1,20 @@
 {
   "author": "Mikhail Volkov",
   "dependencies": {
-    "ioredis": "^4.17.3",
+    "ioredis": "^4.28.2",
     "lodash": "^4.17.21"
   },
   "description": "Pop-up store using RedisTimeSeries, RedisGears and Redis Datasource for Grafana",
   "license": "Apache-2.0",
   "name": "redis-pop-up-store",
   "scripts": {
+    "docker:build": "docker-compose build",
     "redis-cli": "docker exec -it redis redis-cli",
     "register": "./register.sh && docker exec -it redis redis-cli RG.DUMPREGISTRATIONS",
     "simulation": "npm i; node src/pop-up-store.js",
     "start": "docker-compose pull && docker-compose up",
     "stop": "docker-compose down",
     "upgrade": "yarn upgrade --latest"
   },
-  "version": "2.0.0"
+  "version": "2.1.0"
 }

src/pop-up-store.js

@@ -8,7 +8,7 @@ const Redis = require("ioredis");
 /**
  * You can also specify connection options as a redis:// URL or rediss:// URL when using TLS encryption:
  */
-const redis = new Redis("redis://localhost:6379");
+const redis = new Redis(getRedisURI());
 
 /**
  * There are 10000 products on sale today
@@ -18,6 +18,18 @@ const redis = new Redis("redis://localhost:6379");
 const product = 10000;
 redis.set("product", product);
 
+/**
+ * Get Redis host from first argument (optional)
+ * argv is: [ '/usr/local/bin/node', '/app/src/pop-up-store.js', '...' ]
+ */
+function getRedisURI() {
+  if (process.argv.length > 2) {
+    return "redis://"+process.argv[2]+":6379";
+  } else {
+    return "redis://localhost:6379";
+  }
+}
+
 /**
  * Generate Id
  */
@@ -62,4 +74,5 @@ function newCustomer() {
 /**
  * Sale started
  */
+console.log("Now running simulation...")
 newCustomer();