TECH 4 NON-TECH SERIES

Tech Development: How it All Fits Together

Alex De Simone Founder, Caller Zen & Jobr MS ME‘11, MBA ’16 alexds@stanford.edu Stanford Graduate School of Business November 5, 2015

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Survey Results

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Do I need a technical co-founder?

Summary of Alan Chiu’s previous session…

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1.  Which type of startup are you building?

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Technology As A Product

Tech-Enabled Business

Tech-Leveraged Business

Which type of startup are you building?

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Technology As A Product

Tech-Enabled Business

Tech-Leveraged Business

Which type of startup are you building?

YES MAYBE NO Technical

Co-founder?

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2. What is your biggest risk right now?

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2. What is your biggest risk right now?

=> Focus on it

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Market Execution Technical

What is your biggest risk right now?

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Market Execution Technical

What is your biggest risk right now?

- Can you build it?

- Does it work?

- Can it scale?

- Can you put it in the

hands of users?

- Can you generate

buzz and press?

- Retention/growth?

- Beat competitors?

- Do people want it?

- Will they pay for it?

- Is there a real

need?

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Today, focus on technical

From zero… …To deploy

Blank App ?

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Key Concepts

•  Applications •  Databases

•  Environments

•  Version Control

•  Deployment

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What is an App?

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=> A collection of folders and files to be executed

What is an App?

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Text Editor

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2 Types of Applications

1. Web 2. Native

Desktop

Mobile

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Programming Languages To Build Apps

1. Web 2. Native

iOS:

Android:

* many others not included

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Example: Twitter 1.0

Web (desktop & mobile) iPhone and Android apps

iOS:

Android:

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What is a database?

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What is a database?

=> A collection of tables that store your data

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Example: Twitter 1.0

Users Tweets

* many others not included

id name email pass word

time stamp

1 Jane j@... 534dr229sl

10-113:22

2 Rich r@... 2d5s34hi1

10-218:11

3 Eva e@... 6hs2bs26

10-4 07:31

id user id tweet time

stamp

1 2 Hey! This is my first tweet…

10-1117:22

2 1 Twitter is awesome!

10-2118:11

3 3 Hello World! I’m on Twitter…

10-24 10:45

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Programming Languages For Databases

* many others not included

Relational Non-Relational

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Example: Twitter 1.0

Web App iOS App Android App

MySQL DATABASE

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Example: Twitter 1.0

Web App iOS App Android App

MySQL DATABASE

So far, everything is on your local machine…

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What is an environment?

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What is an environment?

=> The system in which an application is executed

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3 Types of Environments

Development Staging Production

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3 Types of Environments

Development Staging Production

- Live version of your

application

- What your customers

interact with

- Replica of production

environment

- Used for testing bugs

- Also known as “local”

or “dev”

- Unique to a computer

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3 Types of Environments

Development Staging Production

- Live version of your

application

- What your customers

interact with

- Replica of production

environment

- Used for testing bugs

- Also known as “local”

or “dev”

- Unique to a computer

NOTE: Each environment may have different versions

of an application and its database!

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What is version control?

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What is version control?

=> A system that records changes made to your application over time

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Version Control

- Git generates a snapshot in time of your entire application

- Saves the history of changes made & who made the change

- Used for all environments (dev, staging, production)

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Version Control

Apps

MySQL DB

local

“git push”

repository (cloud)

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https://www.railstutorial.org/book

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How does my app go live?

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How does my app go live?

=> Deployment for a web app is different than a native app, and may have different timeframes

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Web App Deployment

Web App “git push”

Server (cloud) Local

* Assuming you don’t use your own servers. Many others not included

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Native App Deployment

Native App

Platform Local

* Assuming you don’t use your own servers. Many others not included

Submit for approval

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Native App Deployment

Native App

Platform Local

* Assuming you don’t use your own servers. Many others not included

Submit for approval

NOTE: The approval process for native apps can take over 2 weeks.

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Concepts Covered

From zero… …To deploy

Blank App

•  Applications

•  Databases

•  Environments

•  Version Control

•  Deployment

TECH 4 NON-TECH SERIES

Tech Development: How it All Fits Together

Alex De Simone Founder, Caller Zen & Jobr MS ME‘11, MBA ’16 alexds@stanford.edu Stanford Graduate School of Business November 5, 2015

41