Improve the startup script

start.sh

@@ -1,22 +1,49 @@
 #!/bin/sh
 
+cat <<< EOF
+   __                               _         _
+  / _|                             | |       (_)
+  | |_ _ __ ___  ___ _ __   ___  ___| |_ ___   _  ___
+  |  _| '__/ _ \/ _ \ '_ \ / _ \/ __| __/ _ \ | |/ _ \
+  | | | | |  __/  __/ |_) | (_) \__ \ ||  __/_| | (_) |
+  |_| |_|  \___|\___| .__/ \___/|___/\__\___(_)_|\___/
+                  | |
+                  |_|
+
+  For documentation, please visit https://freeposte.io
+
+EOF
+
 # When postfix is installed non-interactively, the file does not get copied to
 # the postfix chroot, thus causing smtpd to fail, fix this at runtime
 cp /etc/services /var/spool/postfix/etc/
 
-# Fix permissions inside data and create necessary directories if not already
-# present
+# Create necessary directories
 mkdir -p \
  /data/mail \
  /data/webmail/tmp \
  /data/logs \
  /data/ssl
 
+# Create the main database if necessary
+if [ ! -f /data/freeposte.db ]
+  sqlite3 /data/freeposte.db .databases > /dev/null
+fi
+
+# Fixing permissions
+chown mail:mail /data/freeposte.db
 chown -R mail:mail /data/mail
 chown -R www-data:www-data /data/webmail /data/logs/webmail
 
 # Copy the system snakeoil certificate if none is provided
 if [ ! -f /data/ssl/cert.pem ]; then
+  cat <<< EOF
+    No TLS certificate is installed, a snakeoil ceritifcate is thus
+    being configured. You MUST NOT run a production server with this
+    certificate, as the private key is known publicly.
+
+    You have been warned.
+  EOF
   cp /etc/ssl/private/ssl-cert-snakeoil.key /data/ssl/key.pem
   cp /etc/ssl/certs/ssl-cert-snakeoil.pem /data/ssl/cert.pem
 fi