diff --git a/docker/Dockerfile.tailscale b/docker/Dockerfile.tailscale
index bf2ef33..1491d18 100644
--- a/docker/Dockerfile.tailscale
+++ b/docker/Dockerfile.tailscale
@@ -1,15 +1,16 @@
 # Use Alpine Linux
 FROM alpine:latest
 
-# Install required packages, including `gettext` for `envsubst`
-RUN apk add --no-cache openssh-client autossh bash logrotate gettext iptables ip6tables tailscale
+# Install required packages
+RUN apk add --no-cache openssh-client autossh bash logrotate gettext tailscale
 
 # Define required environment variables
 ENV SSH_HOST=""
 ENV SSH_USER=""
 ENV REMOTE_PORTS=""
 ENV LOCAL_PORTS=""
-ENV TAILSCALE_AUTH_KEY=""
+ENV TAILSCALE_PARAM="" # New: Allows full customization of tailscale up command
+ENV TAILSCALE_AUTH_KEY="" # Fallback if TAILSCALE_PARAM is empty/not set
 ENV LOGROTATE_FREQUENCY="daily"
 ENV LOGROTATE_ROTATE="7"
 ENV LOGROTATE_COMPRESS="compress"
@@ -17,10 +18,10 @@ ENV LOGROTATE_COMPRESS="compress"
 # Create necessary directories
 RUN mkdir -p /root/.ssh && chmod 700 /root/.ssh
 RUN mkdir -p /var/log/ssh-tunnel && chmod 777 /var/log/ssh-tunnel
-RUN mkdir -p /var/lib/tailscale
+RUN mkdir -p /var/lib/tailscale && chmod 700 /var/lib/tailscale
 
-# Copy scripts and logrotate configuration
-COPY entrypoint.tailscale.sh /entrypoint.sh
+# Copy scripts
+COPY entrypoint.sh /entrypoint.sh
 COPY logrotate.template /logrotate.template
 RUN chmod +x /entrypoint.sh