fixed doc env vars + mongo v2 migration

api/pkg/go.mod

@@ -4,7 +4,7 @@ go 1.24.0
 
 require (
 	github.com/casbin/casbin/v2 v2.135.0
-	github.com/casbin/mongodb-adapter/v3 v3.7.0
+	github.com/casbin/mongodb-adapter/v4 v4.3.0
 	github.com/go-chi/chi/v5 v5.2.4
 	github.com/google/uuid v1.6.0
 	github.com/mattn/go-colorable v0.1.14
@@ -14,7 +14,7 @@ require (
 	github.com/stretchr/testify v1.11.1
 	github.com/testcontainers/testcontainers-go v0.33.0
 	github.com/testcontainers/testcontainers-go/modules/mongodb v0.33.0
-	go.mongodb.org/mongo-driver v1.17.8
+	go.mongodb.org/mongo-driver/v2 v2.5.0
 	go.uber.org/zap v1.27.1
 	golang.org/x/crypto v0.47.0
 	google.golang.org/grpc v1.78.0
@@ -45,7 +45,6 @@ require (
 	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/mock v1.6.0 // indirect
-	github.com/golang/snappy v1.0.0 // indirect
 	github.com/klauspost/compress v1.18.3 // indirect
 	github.com/lufia/plan9stats v0.0.0-20250827001030-24949be3fa54 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
@@ -56,7 +55,6 @@ require (
 	github.com/moby/sys/user v0.3.0 // indirect
 	github.com/moby/sys/userns v0.1.0 // indirect
 	github.com/moby/term v0.5.0 // indirect
-	github.com/montanaflynn/stats v0.7.1 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/nats-io/nkeys v0.4.15 // indirect
@@ -80,6 +78,7 @@ require (
 	github.com/xdg-go/stringprep v1.0.4 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	go.mongodb.org/mongo-driver v1.17.8 // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0 // indirect
 	go.opentelemetry.io/otel v1.38.0 // indirect