missing package

Dockerfile

@@ -8,7 +8,7 @@ RUN apt-get update && \
  # Install all apps
  # The third line is for multi-site config (ping is for testing later)
  apt-get install -y \
- pkg-config \
+ pkg-config curl \
  attr acl samba smbclient ldap-utils winbind libnss-winbind libpam-winbind krb5-user krb5-kdc supervisor \
  openvpn inetutils-ping && \
  rm -rf /var/cache/apt /var/lib/apt/lists