base

.dockerignore

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+node_modules
+npm-debug.log

.gitignore

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+/node_modules

.nvmrc

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+12.15.0

Dockerfile

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+FROM node:12
+WORKDIR /usr/src/app
+
+COPY package*.json ./
+RUN npm install --only=production
+COPY . .
+EXPOSE 3000
+CMD [ "node", "./bin/www" ]

app.js

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+var createError = require('http-errors');
+var express = require('express');
+var path = require('path');
+var cookieParser = require('cookie-parser');
+var logger = require('morgan');
+
+var indexRouter = require('./routes/index');
+
+var app = express();
+
+// view engine setup
+app.set('views', path.join(__dirname, 'views'));
+app.set('view engine', 'ejs');
+
+app.use(logger('dev'));
+app.use(express.json());
+app.use(express.urlencoded({
+    extended: false
+}));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, 'public')));
+
+app.use('/', indexRouter);
+
+// catch 404 and forward to error handler
+app.use(function (req, res, next) {
+    next(createError(404));
+});
+
+// error handler
+app.use(function (err, req, res, next) {
+    // set locals, only providing error in development
+    res.locals.message = err.message;
+    res.locals.error = req.app.get('env') === 'development' ? err : {};
+
+    // render the error page
+    res.status(err.status || 500);
+    res.render('error');
+});
+
+module.exports = app;

bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('express:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+	var port = parseInt(val, 10);
+
+	if (isNaN(port)) {
+		// named pipe
+		return val;
+	}
+
+	if (port >= 0) {
+		// port number
+		return port;
+	}
+
+	return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+	if (error.syscall !== 'listen') {
+		throw error;
+	}
+
+	var bind = typeof port === 'string' ?
+		'Pipe ' + port :
+		'Port ' + port;
+
+	// handle specific listen errors with friendly messages
+	switch (error.code) {
+		case 'EACCES':
+			console.error(bind + ' requires elevated privileges');
+			process.exit(1);
+			break;
+		case 'EADDRINUSE':
+			console.error(bind + ' is already in use');
+			process.exit(1);
+			break;
+		default:
+			throw error;
+	}
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+	var addr = server.address();
+	var bind = typeof addr === 'string' ?
+		'pipe ' + addr :
+		'port ' + addr.port;
+	debug('Listening on ' + bind);
+}

deploy.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: c66-mds
+  labels:
+    name: c66-mds
+spec:
+  strategy:
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 1
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      name: c66-mds
+  template:
+    metadata:
+      labels:
+        name: c66-mds
+    spec:
+      containers:
+        - image: cloud66/mds:latest
+          name: mds
+          command:
+            - node
+            - "bin/www"
+          env:
+            - name: PORT
+              value: "3038"
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 3038
+            initialDelaySeconds: 10
+            timeoutSeconds: 2
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 3038
+            initialDelaySeconds: 5
+            timeoutSeconds: 1
+          ports:
+            - containerPort: 3038
+              name: http
+          volumeMounts:
+            - name: podinfo
+              mountPath: /etc/podinfo
+      volumes:
+        - name: podinfo
+          downwardAPI:
+            items:
+              - path: "labels"
+                fieldRef:
+                  fieldPath: metadata.labels
+              - path: "annotations"
+                fieldRef:
+                  fieldPath: metadata.annotations
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: c66-mds
+spec:
+  selector:
+    name: c66-mds
+  type: NodePort
+  ports:
+    - name: http
+      port: 3038
+      targetPort: 3038