Update Dockerfile (#59)

triceam · web-flow · commit c743242a4db9 · 2022-06-10T10:59:20.000-04:00
added `openssh-keygen`. fixes cloud-native-toolkit/software-everywhere#261 (cherry picked from commit f1ba7ed)
diff --git a/Dockerfile b/Dockerfile
@@ -12,6 +12,7 @@ RUN apk add --no-cache \
   shadow \
   bash \
   openssl \
+  openssh-keygen \
   ca-certificates \
   perl \
   openvpn \
