example: example app using mongodb as a storage backend

.dockerignore

@@ -11,6 +11,7 @@
 node_modules/
 compose/
 assets/
+examples/
 docs/
 coverage/
 tutorials/

examples/mongo-storage/Dockerfile

@@ -0,0 +1,32 @@
+# -- BASE
+FROM buildpack-deps:stretch-curl AS base
+ENV storage__path /var/data/skyring
+ENV NODE_ENV=production
+RUN apt-get update && apt-get install -y \
+  build-essential curl g++ make tar python
+
+ENV NODE_VERSION 8.7.0
+
+RUN curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-x64.tar.xz"
+RUN tar -xJf "node-v$NODE_VERSION-linux-x64.tar.xz" -C /usr/local --strip-components=1
+
+# -- BUILD
+FROM base AS build
+
+COPY package*.json /opt/skyring/
+WORKDIR /opt/skyring
+RUN npm install && mv node_modules prod_node_modules
+
+# -- RELEASE
+FROM debian:stretch-slim as skyring
+RUN mkdir -p /var/data/skyring
+WORKDIR /opt/skyring
+VOLUME /etc
+VOLUME /var/data/skyring
+
+COPY --from=build /usr/local/bin/node /usr/local/bin/node
+COPY --from=build /usr/local/bin/npm /usr/local/bin/npm
+COPY --from=build /usr/local/include/node /usr/local/include
+COPY --from=build /opt/skyring/prod_node_modules ./node_modules
+COPY . .
+CMD ["node", "index.js"]

examples/mongo-storage/README.md

@@ -0,0 +1,3 @@
+## MONGO-STORAGE
+
+Skying cluster using a mongodb instance for external storage

examples/mongo-storage/docker-compose.yml

@@ -0,0 +1,112 @@
+version: '2'
+services:
+  node-1:
+    build: ./
+    hostname: node-1
+    environment:
+      DEBUG: '*'
+      channel__host: 'node-1'
+      nats__hosts: 'nats-a:4222,nats-b:4222,nats-c:4222'
+      seeds: 'node-1:3455,node-2:3456'
+      storage__backend: 'mongodown'
+      storage__path: 'mongodb://mongo:27017/skyring'
+      storage__collection: 'skyring-1'
+    networks:
+      - mongoring
+    depends_on:
+      - nats-a
+      - nats-b
+      - nats-c
+      - mongo
+
+  node-2:
+    build: ./
+    hostname: node-2
+    environment:
+      DEBUG: '*'
+      seeds: 'node-1:3455,node-2:3456'
+      nats__hosts: 'nats-a:4222,nats-b:4222,nats-c:4222'
+      channel__host: 'node-2'
+      channel__port: 3456
+      storage__backend: 'mongodown'
+      storage__path: 'mongodb://mongo:27017/skyring'
+      storage__collection: 'skyring-2'
+    networks:
+      - mongoring
+    depends_on:
+      - nats-a
+      - nats-b
+      - nats-c
+      - mongo
+
+  node-3:
+    build: ./
+    hostname: node-3
+    environment:
+      DEBUG: '*'
+      seeds: 'node-1:3455,node-2:3456'
+      nats__hosts: 'nats-a:4222,nats-b:4222,nats-c:4222'
+      channel__host: 'node-3'
+      storage__backend: 'mongodown'
+      storage__path: 'mongodb://mongo:27017/skyring'
+      storage__collection: 'skyring-3'
+    networks:
+      - mongoring
+    depends_on:
+      - nats-a
+      - nats-b
+      - nats-c
+      - node-1
+      - node-2
+      - mongo
+
+  nats-a:
+    image: nats:latest
+    volumes:
+      - ./etc/nats:/tmp
+    command: >
+      -c /tmp/a.conf -D
+    networks:
+      - mongoring
+  nats-b:
+    image: nats:latest
+    volumes:
+      - ./etc/nats:/tmp
+    command: >
+      -c /tmp/b.conf -D
+    depends_on:
+      - nats-a
+    networks:
+      - mongoring
+  nats-c:
+    image: nats:latest
+    volumes:
+      - ./etc/nats:/tmp
+    depends_on:
+      - nats-a
+    command: >
+      -c /tmp/c.conf -D
+    networks:
+      - mongoring
+
+  mongo:
+    image: mongo:3.6
+    networks:
+      - mongoring
+
+  nginx:
+    image: 'nginx:latest'
+    volumes:
+      - ./etc/nginx/nginx.conf:/etc/nginx/nginx.conf
+    ports:
+      - "8080:80"
+    networks:
+      - mongoring
+    depends_on:
+      - node-1
+      - node-2
+      - node-3
+
+networks:
+  mongoring:
+    driver: bridge

examples/mongo-storage/etc/nats/a.conf

@@ -0,0 +1,9 @@
+port: 4222
+cluster {
+  host: '0.0.0.0'
+  port: 6222
+  routes = [
+    nats-route://nats-b:6222
+    nats-route://nats-c:6222
+  ]
+}

examples/mongo-storage/etc/nats/b.conf

@@ -0,0 +1,9 @@
+port: 4222
+cluster {
+  host: '0.0.0.0'
+  port: 6222
+  routes = [
+    nats-route://nats-a:6222
+    nats-route://nats-c:6222
+  ]
+}

examples/mongo-storage/etc/nats/c.conf

@@ -0,0 +1,10 @@
+port: 4222
+cluster {
+  host: '0.0.0.0'
+  port: 6222
+  routes = [
+    nats-route://nats-a:6222
+    nats-route://nats-b:6222
+  ]
+}
+

examples/mongo-storage/etc/nginx/nginx.conf

@@ -0,0 +1,54 @@
+#user  nobody;
+worker_processes  8;
+
+#error_log  logs/error.log;
+#error_log  logs/error.log  notice;
+#error_log  logs/error.log  info;
+
+#pid        logs/nginx.pid;
+
+
+events {
+    worker_connections  2048;
+}
+
+
+http {
+    include       mime.types;
+    default_type  application/octet-stream;
+    #access_log  logs/access.log  main;
+    sendfile        on;
+    #tcp_nopush     on;
+
+    #keepalive_timeout  0;
+    #gzip  on;
+    keepalive_timeout  65;
+    proxy_read_timeout 200;
+    gzip_http_version 1.0;
+    gzip_min_length 0;
+    gzip_types text/plain text/css text/javascript application/javascript application/json applicatin/x-javascript application/x-json;
+    gzip_buffers 16 8k;
+    gzip_comp_level 9;
+    gzip_vary    on;
+    proxy_next_upstream error;
+
+    upstream skyring {
+      server node-1:3000;
+      server node-2:3000;
+      server node-3:3000;
+    }
+
+    server {
+        listen       80;
+        server_name  skyring;
+
+        location / {
+            proxy_pass_header Server;
+            proxy_set_header Host $http_host;
+            proxy_redirect off;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Scheme $scheme;
+            proxy_pass http://skyring;
+        }
+    }
+}

examples/mongo-storage/mock-server.js

@@ -0,0 +1,11 @@
+'use strict'
+
+const http = require('http')
+let count = 0
+const server = http.createServer((req, res) => {
+  res.writeHead(204)
+  res.end('')
+  console.log(++count)
+})
+
+server.listen(process.env.PORT || 4000)

examples/mongo-storage/package.json

@@ -17,6 +17,6 @@
   "license": "MIT",
   "dependencies": {
     "mongodown": "^1.2.0",
-    "skyring": "^5.1.0"
+    "skyring": "^6.0.0-alpha.1"
   }
 }