Merge pull request #86 from movio/docker-compose-bramble-setup

Example of gateway operating in a docker compose environment

examples/README.md

@@ -0,0 +1,20 @@
+# Minimal Example
+Via `docker-compose` we can simulate an environment with three services all contributing to the boundary type `Foo`.
+
+```
+docker-compose up
+```
+
+The gateway will then be hosted on `http://localhost:8082/query`, be sure to point a GraphQL client to this address.
+
+```graphql
+{
+  randomFoo {
+    nodejs
+    graphGophers
+    gqlgen
+  }
+}
+```
+
+_Note: each field is resolved by each different service here._

examples/docker-compose.yaml

@@ -0,0 +1,29 @@
+version: "3"
+services:
+  gqlgen-server:
+    build:
+      context: gqlgen-service
+    expose:
+      - 8080
+  gophers-server:
+    build:
+      context: graph-gophers-service
+    expose:
+      - 8080
+  nodejs-server:
+    build:
+      context: nodejs-service
+    expose:
+      - 8080
+  gateway:
+    image: ghcr.io/movio/bramble
+    volumes:
+      - ./example-config.json:/config.json
+    ports:
+      - 8082:8082
+      - 8083:8083
+      - 8084:8084
+    depends_on:
+      - gqlgen-server
+      - gophers-server
+      - nodejs-server

examples/example-config.json

@@ -0,0 +1,7 @@
+{
+  "services": [
+    "http://gqlgen-server:8080/query",
+    "http://gophers-server:8080/query",
+    "http://nodejs-server:8080/query"
+  ]
+}

examples/gqlgen-service/Dockerfile

@@ -0,0 +1,9 @@
+FROM golang
+
+WORKDIR /go/src/app
+
+COPY . .
+
+RUN go generate .
+RUN go get
+CMD go run .

examples/gqlgen-service/go.mod

@@ -0,0 +1,24 @@
+module github.com/movio/bramble/examples/gqlgen-server
+
+go 1.17
+
+require (
+	github.com/99designs/gqlgen v0.14.0
+	github.com/vektah/gqlparser/v2 v2.2.0
+)
+
+require (
+	github.com/agnivade/levenshtein v1.1.0 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d // indirect
+	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/hashicorp/golang-lru v0.5.0 // indirect
+	github.com/mitchellh/mapstructure v0.0.0-20180203102830-a4e142e9c047 // indirect
+	github.com/pkg/errors v0.8.1 // indirect
+	github.com/russross/blackfriday/v2 v2.0.1 // indirect
+	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
+	github.com/urfave/cli/v2 v2.1.1 // indirect
+	golang.org/x/mod v0.3.0 // indirect
+	golang.org/x/tools v0.0.0-20210106214847-113979e3529a // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	gopkg.in/yaml.v2 v2.2.4 // indirect
+)

examples/gqlgen-service/go.sum

@@ -0,0 +1,105 @@
+github.com/99designs/gqlgen v0.14.0 h1:Wg8aNYQUjMR/4v+W3xD+7SizOy6lSvVeQ06AobNQAXI=
+github.com/99designs/gqlgen v0.14.0/go.mod h1:S7z4boV+Nx4VvzMUpVrY/YuHjFX4n7rDyuTqvAkuoRE=
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examples/graph-gophers-service/Dockerfile

@@ -0,0 +1,7 @@
+FROM golang
+
+WORKDIR /go/src/app
+
+COPY . .
+RUN go get
+CMD go run .

examples/graph-gophers-service/go.mod

@@ -0,0 +1,13 @@
+module github.com/movio/bramble/examples/graph-gophers-service
+
+go 1.17
+
+require (
+	github.com/gorilla/mux v1.8.0
+	github.com/graph-gophers/graphql-go v1.2.0
+)
+
+require (
+	github.com/opentracing/opentracing-go v1.1.0 // indirect
+	github.com/stretchr/testify v1.7.0 // indirect
+)

examples/graph-gophers-service/go.sum

@@ -0,0 +1,16 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
+github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/graph-gophers/graphql-go v1.2.0 h1:j3tCG0UcE+3f84OAw/4/6YQKyTr+r0yuUKtnxiu5OH4=
+github.com/graph-gophers/graphql-go v1.2.0/go.mod h1:9CQHMSxwO4MprSdzoIEobiHpoLtHm77vfxsvsIN5Vuc=
+github.com/opentracing/opentracing-go v1.1.0 h1:pWlfV3Bxv7k65HYwkikxat0+s3pV4bsqf19k25Ur8rU=
+github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

examples/graph-gophers-service/main.go

@@ -8,6 +8,7 @@ import (
 	"github.com/gorilla/mux"
 	"github.com/graph-gophers/graphql-go"
 	"github.com/graph-gophers/graphql-go/relay"
+	"log"
 )
 
 //go:embed schema.graphql
@@ -27,5 +28,6 @@ func main() {
 	r := mux.NewRouter()
 	r.Handle("/query", &relay.Handler{Schema: parsedSchema})
 
+	log.Printf("example graph-gophers-service running on http://localhost:%s/", port)
 	http.ListenAndServe(":"+port, r)
 }

examples/nodejs-service/Dockerfile

@@ -0,0 +1,7 @@
+FROM node
+
+COPY . .
+
+RUN npm install
+
+CMD ["npm", "run", "start"]

go.mod

@@ -8,7 +8,6 @@ require (
 	github.com/fsnotify/fsnotify v1.5.1
 	github.com/golang-jwt/jwt/v4 v4.0.0
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/gorilla/mux v1.7.4
 	github.com/gorilla/websocket v1.4.2 // indirect
 	github.com/graph-gophers/graphql-go v0.0.0-20201003130358-c5bdf3b1108e
 	github.com/hashicorp/golang-lru v0.5.4 // indirect
@@ -25,27 +24,18 @@ require (
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/sys v0.0.0-20211003122950-b1ebd4e1001c // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect
 	gopkg.in/square/go-jose.v2 v2.5.1
-	gopkg.in/yaml.v2 v2.4.0 // indirect
 )
 
 require (
 	github.com/agnivade/levenshtein v1.1.1 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/opentracing/opentracing-go v1.1.0 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/russross/blackfriday/v2 v2.0.1 // indirect
-	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
-	github.com/urfave/cli/v2 v2.1.1 // indirect
-	golang.org/x/mod v0.3.0 // indirect
-	golang.org/x/tools v0.0.0-20210106214847-113979e3529a // indirect
 	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
 )