fix panic when websocket fails multiple times + add Dockerfile

Dockerfile

@@ -0,0 +1,29 @@
+# Build image (Golang)
+FROM golang:alpine AS build-stage
+ENV GO111MODULE on
+ENV CGO_ENABLED 0
+
+RUN apk add --no-cache gcc git make
+
+WORKDIR /src
+ADD . .
+
+RUN go mod download
+RUN go build -ldflags="-s -w" -o cercat
+
+# Final Docker image
+FROM alpine AS final-stage
+LABEL MAINTAINER "Thomas Labarussias <issif+github@gadz.org>"
+
+RUN apk add --no-cache ca-certificates
+
+# Create user falcosidekick
+RUN addgroup -S cercat && adduser -u 1234 -S cercat -G cercat
+USER 1234
+
+WORKDIR ${HOME}/
+COPY --from=build-stage /src/cercat .
+
+EXPOSE 2801
+
+ENTRYPOINT ["./cercat"]

main.go

@@ -68,7 +68,7 @@ func main() {
 			_, msg, err := ws.ReadMessage()
 			if err != nil {
 				log.Println("[ERROR] : Error reading message")
-				continue
+				break
 			}
 			msgChan <- msg
 		}