switch from wget to curl

Dockerfile

@@ -1,3 +1,4 @@
 FROM alpine
+RUN apk add --no-cache curl
 COPY portcheck.sh /usr/local/bin/portcheck.sh
 ENTRYPOINT ["/usr/local/bin/portcheck.sh"]

portcheck.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env ash
-while [ `wget --no-check-certificate -qO /dev/null $1; echo $?` -ne 0 ]
+while [ `curl -sko /dev/null $1; echo $?` -ne 0 ]
 do 
   sleep 1
 done