Intro to
Docker & Docker Compose
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Sabin Marcu
Software Engineer at R/GA
Been working in web since '09
React Dev since 2015
React & GQL trainer @ JSLeague
Whoami
Overview
Intro to Docker & Docker Compose
Intro to Docker & Docker Compose
Agenda - Day 1
- Dockerfile
- Arguments
- Environment Variables
- Building a docker image
- docker-compose.yml
- Running a docker-compose stack
- General Introduction
- Comparison to other virtualization solutions
- Expose Ports
- Volume Mounts
- Running Examples & Exercises
Intro to Docker & Docker Compose
Agenda - Day 2
- Dependency & Restart Management
- Image management & Tagging
- Pushing to remote
- Env files
- Dynamic configs (develop, testing, production)
- CI
- Lifecycle & Process Management
- Interacting with running images
- Networks
- Volumes
- Types of Mounts
Introduction
Intro to Docker & Docker Compose
Intro to Docker & Docker Compose
Agenda - Day 1
- Dockerfile
- Arguments
- Environment Variables
- Building a docker image
- docker-compose.yml
- Running a docker-compose stack
- General Introduction
- Comparison to other virtualization solutions
- Expose Ports
- Volume Mounts
- Running Examples & Exercises
Intro to Docker & Docker Compose
What is it?
Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called containers. Containers are isolated from one another and bundle their own software, libraries and configuration files; they can communicate with each other through well defined channels.
All containers are run by a single operating-system kernel and are thus more lightweight than virtual machines.
Intro to Docker & Docker Compose
What is it?
Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called containers. Containers are isolated from one another and bundle their own software, libraries and configuration files; they can communicate with each other through well defined channels.
All containers are run by a single operating-system kernel and are thus more lightweight than virtual machines.
Intro to Docker & Docker Compose
PaaS
Platform as a Service (PaaS) or Application Platform as a Service (aPaaS) or platform-based service is a category of cloud computing services that provides a platform allowing customers to develop, run and manage applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app.
Intro to Docker & Docker Compose
What is it?
Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called containers. Containers are isolated from one another and bundle their own software, libraries and configuration files; they can communicate with each other through well defined channels.
All containers are run by a single operating-system kernel and are thus more lightweight than virtual machines.
Intro to Docker & Docker Compose
Language and Entities
Intro to GraphQL
Intro to GraphQL
Type System
{
hero {
name
appearsIn
}
}{
"data": {
"hero": {
"name": "R2-D2",
"appearsIn": [
"NEWHOPE",
"EMPIRE",
"JEDI"
]
}
}
}Object types and fields
Intro to GraphQL
type Character {
name: String!
appearsIn: [Episode!]!
}
object type
fields
Intro to GraphQL
type Character {
name: String!
appearsIn: [Episode!]!
}String = scalar type, can't have sub-selections in the query
String! = non-nullable
[Episode!]! = non-nullable array of Episode objects
Intro to GraphQL
Arguments
type Starship {
id: ID!
name: String!
length(unit: LengthUnit = METER): Float
}
argument
Intro to GraphQL
3 root operations
type Query {
... query operations ...
}
type Mutation {
... mutation operations ...
}
type Subscription {
... subscription operations ...
}Intro to GraphQL
type Query {
hero(episode: Episode): Character
droid(id: ID!): Droid
}query {
hero {
name
}
droid(id: "2000") {
name
}
}{
"data": {
"hero": {
"name": "R2-D2"
},
"droid": {
"name": "C-3PO"
}
}
}Intro to GraphQL
Scalar types
- Int, Float, String, Boolean, ID
- custom: Date
- special: Enums
Entity types
type Character {
name: String!
appearsIn: [Episode!]!
}Intro to GraphQL
Interfaces
interface Character {
id: ID!
name: String!
friends: [Character]
appearsIn: [Episode]!
}type Human implements Character {
id: ID!
name: String!
friends: [Character]
appearsIn: [Episode]!
starships: [Starship]
totalCredits: Int
}
type Droid implements Character {
id: ID!
name: String!
friends: [Character]
appearsIn: [Episode]!
primaryFunction: String
}Intro to GraphQL
Union types
union SearchResult = Human | Droid | Starship{
search(text: "an") {
__typename
... on Human {
name
height
}
... on Droid {
name
primaryFunction
}
... on Starship {
name
length
}
}
}{
"data": {
"search": [
{
"__typename": "Human",
"name": "Han Solo",
"height": 1.8
},
{
"__typename": "Human",
"name": "Leia Organa",
"height": 1.5
},
{
"__typename": "Starship",
"name": "TIE Advanced x1",
"length": 9.2
}
]
}
}Intro to GraphQL
Input types
input ReviewInput {
stars: Int!
commentary: String
}mutation CreateReviewForEpisode($ep: Episode!, $review: ReviewInput!) {
createReview(episode: $ep, review: $review) {
stars
commentary
}
}{
"data": {
"createReview": {
"stars": 5,
"commentary": "This is a great movie!"
}
}
}Q&A
JavaScript Beyond the Basics
Thank you!