feat: enable gzip support for grpc gateway (#225)

- if a header with "Accept-Encoding: gzip" is set, the response will
be gziped

Signed-off-by: Kush Sharma <thekushsharma@gmail.com>

Author: kushsharma

go.mod

@@ -17,6 +17,7 @@ require (
 	github.com/golang-module/carbon/v2 v2.1.8
 	github.com/google/go-cmp v0.5.8
 	github.com/google/uuid v1.3.0
+	github.com/gorilla/handlers v1.4.2
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.3
 	github.com/jackc/pgconn v1.8.0

go.sum

@@ -708,6 +708,7 @@ github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORR
 github.com/gorilla/css v1.0.0 h1:BQqNyPTi50JCFMTw/b67hByjMVXZRwGha6wxVGkeihY=
 github.com/gorilla/css v1.0.0/go.mod h1:Dn721qIggHpt4+EFCcTLTU/vk5ySda2ReITrtgBl60c=
 github.com/gorilla/handlers v0.0.0-20150720190736-60c7bfde3e33/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ=
+github.com/gorilla/handlers v1.4.2 h1:0QniY0USkHQ1RGCLfKxeNHK9bkDHGRYGNDFBCS+YARg=
 github.com/gorilla/handlers v1.4.2/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ=
 github.com/gorilla/mux v1.7.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
 github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=

internal/server/server.go

@@ -9,6 +9,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/gorilla/handlers"
 	grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
 	grpc_logrus "github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus"
 	grpc_recovery "github.com/grpc-ecosystem/go-grpc-middleware/recovery"
@@ -26,6 +27,7 @@ import (
 	"github.com/raystack/salt/mux"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
+	_ "google.golang.org/grpc/encoding/gzip" // Install the gzip compressor
 	"google.golang.org/grpc/health/grpc_health_v1"
 	"google.golang.org/grpc/reflection"
 	"google.golang.org/protobuf/encoding/protojson"
@@ -161,7 +163,7 @@ func Serve(
 	if err := mux.Serve(
 		ctx,
 		mux.WithHTTPTarget(config.addr(), &http.Server{
-			Handler:      gwmux,
+			Handler:      handlers.CompressHandler(gwmux),
 			ReadTimeout:  60 * time.Second,
 			WriteTimeout: 60 * time.Second,
 			IdleTimeout:  120 * time.Second,