make entrypoint script working with Debian, remove outdated parts

docker-entrypoint.sh

@@ -1,4 +1,4 @@
-#/bin/sh
+#/bin/bash
 
 ## Required vars
 # CPAD_MAIN_DOMAIN
@@ -10,32 +10,23 @@ set -e
 
 CPAD_HOME="/cryptpad"
 
-# If cryptad conf isn't provided
 if [ ! -f "$CPAD_CONF" ]; then
- echo -e "\n\
-         ############################################### \n\
-         Warning: No config file provided for CryptPad \n\
+    echo -e "\n\
+         #################################################################### \n\
+         Warning: No config file provided for cryptpad \n\
          We will create a basic one for now but you should rerun this service \n\
          by providing a file with your settings \n\
          eg: docker run -v /path/to/config.js:/cryptpad/config/config.js \n\
-         ############################################### \n"
+         #################################################################### \n"
 
-   cp $CPAD_HOME/config/config.example.js $CPAD_CONF
+cp "$CPAD_HOME"/config/config.example.js "$CPAD_CONF"
 
-   # Set domains
-   sed -i  -e "s@\(httpUnsafeOrigin:\).*[^,]@\1 'https://$CPAD_MAIN_DOMAIN'@" \
-           -e "s@\(^ *\).*\(httpSafeOrigin:\).*[^,]@\1\2 'https://$CPAD_SANDBOX_DOMAIN'@" $CPAD_CONF
-
-   # Set admin email
-   if [ -z "$CPAD_ADMIN_EMAIL" ]; then
-     echo "Error: Missing admin email (Did you read the config?)"
-     exit 1
-   else
-     sed -i "s@\(adminEmail:\).*[^,]@\1 '$CPAD_ADMIN_EMAIL'@" $CPAD_CONF
-   fi
- fi
+sed -i  -e "s@\(httpUnsafeOrigin:\).*[^,]@\1 'https://$CPAD_MAIN_DOMAIN'@" \
+        -e "s@\(^ *\).*\(httpSafeOrigin:\).*[^,]@\1\2 'https://$CPAD_SANDBOX_DOMAIN'@" $CPAD_CONF
+fi
 
 cd $CPAD_HOME
 npm run build
 
 exec "$@"
+