Update Dockerfile

Author: wangyi2005

Dockerfile

@@ -1,6 +1,6 @@
 FROM alpine:3.7
 
-ENV CONFIG_JSON=none CERT_PEM=none KEY_PEM=none VER=3.0
+ENV CONFIG_JSON=none CERT_PEM=none KEY_PEM=none VER=3.3
 
 RUN apk add --no-cache --virtual .build-deps ca-certificates curl \
  && mkdir -m 777 /v2raybin \