Fix swagger deployment (#179)

* Fix swagger container args to use spec from values specified in helm values

* Merlin serve swagger.yaml instead of relying on the github

Co-authored-by: Tio Pramayudi <[email protected]>

Author: tiopramayudi

Dockerfile

@@ -24,6 +24,7 @@ WORKDIR /src/api
 COPY api .
 COPY python/batch-predictor ../python/batch-predictor
 COPY db-migrations ./db-migrations
+COPY swagger.yaml ./swagger.yaml
 
 RUN go build -o bin/merlin_api ./cmd/api
 
@@ -43,6 +44,7 @@ FROM alpine:3.12
 
 COPY --from=go-builder /src/api/bin/merlin_api /usr/bin/merlin_api
 COPY --from=go-builder /src/api/db-migrations ./db-migrations
+COPY --from=go-builder /src/api/swagger.yaml ./swagger.yaml
 COPY --from=node-builder /src/ui/build ./ui/build
 
 CMD ["merlin_api"]

api/cmd/api/main.go

@@ -102,6 +102,10 @@ func main() {
 	mount(router, "/metrics", promhttp.Handler())
 	mount(router, "/debug", newPprofRouter())
 
+	router.Path("/swagger.yaml").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		http.ServeFile(w, r, cfg.SwaggerPath)
+	})
+
 	reactConfig := cfg.ReactAppConfig
 	uiEnv := uiEnvHandler{
 		OauthClientID:     reactConfig.OauthClientID,

api/config/config.go

@@ -37,6 +37,7 @@ type Config struct {
 	NewRelic              newrelic.Config `envconfig:"NEWRELIC" split_words:"false" `
 	EnvironmentConfigPath string          `envconfig:"DEPLOYMENT_CONFIG_PATH" required:"true"`
 	NumOfQueueWorkers     int             `envconfig:"NUM_OF_WORKERS" default:"2"`
+	SwaggerPath           string          `envconfig:"SWAGGER_PATH" default:"./swagger.yaml"`
 
 	DbConfig                  DatabaseConfig
 	VaultConfig               VaultConfig