Hardcode alpine version and bump version of goreplay from 16.0.2 to 16.1

Author: worldtiki

Dockerfile

@@ -1,5 +1,5 @@
-FROM alpine:latest
+FROM alpine:3.6
 RUN apk update && apk add ca-certificates && update-ca-certificates && apk add openssl
-RUN wget https://github.com/buger/goreplay/releases/download/v0.16.0.2/gor_0.16.0_x64.tar.gz -O gor.tar.gz
+RUN wget https://github.com/buger/goreplay/releases/download/v0.16.1/gor_0.16.1_x64.tar.gz -O gor.tar.gz
 RUN tar xzf gor.tar.gz
-ENTRYPOINT ./gor
+ENTRYPOINT ["./goreplay"]