fix: minor tweaks, first trial of arm64 support

Dockerfile

@@ -12,7 +12,7 @@ RUN cd /etc/apk/keys && \
     apk upgrade -U --available --no-cache && \
     apk add --no-cache \
       openvpn \
-      nftables \
+      iptables \
       bash \
       easy-rsa \
       openvpn-auth-pam \

bin/ovpn_create_server

@@ -6,6 +6,8 @@
 
 if [ "$DEBUG" == "1" ]; then
   set -x
+else
+  exec 2> /dev/null
 fi
 
 set -e

bin/ovpn_initpki

@@ -6,6 +6,8 @@
 
 if [ "$DEBUG" == "1" ]; then
   set -x
+else
+  exec 2> /dev/null
 fi
 
 set -e
@@ -20,3 +22,5 @@ easyrsa gen-dh
 openvpn --genkey secret $EASYRSA_PKI/ta.key
 
 easyrsa gen-crl
+
+echo "Successfully bootstrapped PKI"