Production Ready
GraphQL
Eve Porcello
@eveporcello
eve@moonhighway.com
Agenda
-
Getting Ready for @defer and @stream
-
Apollo Studio and Rover CLI
-
Managed Federation
-
Graph Security
-
Error Handling
The GraphQL Spec
Queries
query {
cat(name:"Biscuit") {
name
location
mood
}
}{
"data": {
"cat": {
"name":"Biscuit",
"location": "Tahoe City",
"mood": "pensive"
}
}
}POST /graphql
Query
Mutations
mutation {
setLiftStatus(
name:"Panorama",
newStatus: "hold"
) {
name
newStatus
oldStatus
}
}{
"data": {
"setLiftStatus": {
"name": "Panorama",
"newStatus": "hold",
"oldStatus": "open"
}
}
}POST /graphql
Mutation
Subscriptions
subscription {
liftStatusChange {
name
newStatus
oldStatus
}
}{
"data": {
"setLiftStatus": {
"name": "Panorama",
"newStatus": "hold",
"oldStatus": "open"
}
}
}WebSockets
Subscription
{
"data": {
"setLiftStatus": {
"name": "Astra Express",
"newStatus": "closed",
"oldStatus": "open"
}
}
}{
"data": {
"setLiftStatus": {
"name": "Panorama",
"newStatus": "closed",
"oldStatus": "open"
}
}
}query {
cat(name: "Biscuit") {
name
location
birthLocation
weight
gpa
astrologicalSign
hangingInThere
bicyclePreference
isADentist
knowsADentist
siblings {
name
location
}
}
}
query {
cat(name: "Biscuit") {
name
location
birthLocation
weight
gpa
astrologicalSign
hangingInThere
bicyclePreference
isADentist
knowsADentist
siblings {
name
location
}
}
}
query {
cat(name: "Biscuit") {
name
location
birthLocation
}
}
@stream
@defer
@defer Directive
query {
cat(name: "Biscuit") {
name
location
birthLocation
weight
...ExtraneousCatDetails @defer
}
}
fragment ExtraneousCatDetails on Cat {
gpa
astrologicalSign
hangingInThere
bicyclePreference
isADentist
knowsADentist
}@stream
query {
cat(name: "Biscuit") {
name
friends {
name
}
}
}
query {
cat(name: "Biscuit") {
name
friends @stream(initialCount: 3) {
name
}
}
}
query {
cat(name: "Biscuit") {
name
friends @stream(initialCount: 3) {
name
...ExtraneousCatFields @defer
}
}
}
