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Cloud Infrastructure & Deployment

  • What is "Dev Ops"?
    • Software Development + Information Technology Operations
    • Automation of software delivery and infrastructure
      • Typically also manages infrastructure for applications as well
    • Continuous Integration
      • Merging code into the "master" several times a day
        • Encourages small workloads and frequent commits
      • Automated merge process that checks for errors
      • Requires diligence and good testing (i.e. unit testing / integration testing) to be successful
    • Continuous Deployment / Delivery
      • Automation of delivery to enable multiple deliveries of software in short cycles
  • What is "the cloud"?
    • The cloud is a network of computers, where each computer serves a very specific function
    • This is typically hosted by another company, who manages the physical infrastructure
    • Cost effective for large organizations
    • Easily scalable
  • Cloud platforms
    • Microsoft Azure
      • Has free tier
    • Google Cloud
      • Has free tier
    • Amazon Web Services
      • Has free tier
    • Linode
    • Digital Ocean
    • Heroku
      • Has free tier
  • Deploying our first app to the cloud
    • Cloud Database
      • mLab
        • MongoDB Cloud Hosting
          • Sign up for an account
          • Create new
            • Google Cloud Platform
            • Single-node
            • Sandbox
            • DB Name: library
          • Add collection - books
          • Add collection - authors
          • Users
            • Create new user
          • Export Collection Data from localhost 
            mongoexport --db library --collection authors --out authors.json
mongoexport --db library --collection books --out books.json
          • Import Collection Data to mLab 
            mongoimport -h [mLab URI] -d library -c authors -u [mLab username] -p [mLab password] --file authors.json
mongoimport -h [mLab URI] -d library -c books -u [mLab username] -p [mLab password] --file books.json
          • Connect to mLab Database from Mongo Shell 
            mongo [mLab URI]/[database name] -u [mLab username] -p [mLab password]
          • Change app to run using the mLab database 
            function connect() {
  const uri = 'mongodb://[mLab username]:[mLab password]@[mLab URI]/[database name]';
  mongoose.connect(uri);
}
          • Run locally to test mLab connection
    • Google Cloud (Based on this Google tutorial)
      • NodeJS Runtime
      • Setup
        • Sign up for account
        • Menu
          • Downloads
        • Add app.yaml to project directory
#	Copyright 2015-2017, Google, Inc.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# [START runtime]
runtime: nodejs
env: flex
# [END runtime]

# Temporary setting to keep gcloud from uploading node_modules
skip_files:
 - ^node_modules$
  • Add npm start
  • Environment Variables
    • PORT
    • gcloud default is 8080
  • Create new project on Google Cloud
  • gcloud app deploy --project [projectId]