fix images

Dockerfile

@@ -5,7 +5,7 @@ WORKDIR /go/src/github.com/rajatjindal/krew-plugin-release
 
 COPY . .
 
-RUN GOOS=linux CGO_ENABLED=0 go build -o bin/krew-plugin-release main.go
+RUN GOOS=linux CGO_ENABLED=0 go build  -ldflags "-w -s" -o bin/krew-plugin-release main.go
 
 FROM scratch
 

pkg/actions/release_info.go

@@ -23,6 +23,10 @@ func GetReleaseInfo(action ActionData) (*github.RepositoryRelease, error) {
 		return nil, fmt.Errorf("invalid event data")
 	}
 
+	if event.Release == nil {
+		return nil, fmt.Errorf("event.Release is nil %s", string(payload))
+	}
+
 	if len(event.Release.Assets) == 0 {
 		return nil, fmt.Errorf("no assets found")
 	}