Update Dockerfile

Dockerfile

@@ -14,9 +14,9 @@ RUN mkdir -p /etc/openvpn/pki && \
     cp -r /usr/share/easy-rsa/* /etc/openvpn/pki && \
     cd /etc/openvpn/pki && \
     ./easyrsa init-pki && \
-    ./easyrsa --batch --req-cn=YourServerName build-ca nopass && \
+    ./easyrsa --batch build-ca nopass && \
     ./easyrsa --batch gen-dh && \
-    ./easyrsa --batch --req-cn=YourServerName build-server-full server nopass && \
+    ./easyrsa --batch build-server-full server nopass && \
     openvpn --genkey secret ta.key
 
 # Expose port 1194 for OpenVPN