feat: handle graceful shutdowns, nest webhook handlers under /webhook

go.mod

@@ -2,6 +2,12 @@ module github.com/testifysec/witness-webhook
 
 go 1.22.3
 
+require (
+	github.com/gorilla/mux v1.8.1
+	github.com/in-toto/go-witness v0.4.1-0.20240604030233-2131cf28e35b
+	gopkg.in/yaml.v3 v3.0.1
+)
+
 require (
 	cloud.google.com/go/auth v0.3.0 // indirect
 	cloud.google.com/go/auth/oauth2adapt v0.2.2 // indirect
@@ -59,7 +65,6 @@ require (
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
 	github.com/googleapis/gax-go/v2 v2.12.3 // indirect
-	github.com/gorilla/mux v1.8.1 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.1 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.1 // indirect
@@ -68,7 +73,6 @@ require (
 	github.com/hashicorp/vault-client-go v0.4.3 // indirect
 	github.com/in-toto/archivista v0.4.0 // indirect
 	github.com/in-toto/attestation v1.0.2 // indirect
-	github.com/in-toto/go-witness v0.4.1-0.20240530013607-aecd1109d4f9 // indirect
 	github.com/invopop/jsonschema v0.12.0 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
 	github.com/jellydator/ttlcache/v3 v3.2.0 // indirect
@@ -138,7 +142,6 @@ require (
 	gopkg.in/square/go-jose.v2 v2.6.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/apimachinery v0.29.5 // indirect
 	k8s.io/klog/v2 v2.120.1 // indirect
 	k8s.io/utils v0.0.0-20240102154912-e7106e64919e // indirect