diff --git a/.gitignore b/.gitignore
index 8ffbd19..4e52ff8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,6 @@ Icon
 Network Trash Folder
 Temporary Items
 .apdisk
+
+# Factorio
+saves/*
diff --git a/Dockerfile b/Dockerfile
index c60ba02..a6e4809 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,10 @@ RUN  apt-get update \
 RUN useradd -m -d /opt/factorio -s /bin/bash factorio \
   && chown -R factorio.factorio /opt/factorio
 USER factorio
+
 ENV HOME /opt/factorio
+ENV SAVEFILE /opt/factorio/saves/factorio_save.zip
+
 WORKDIR /opt/factorio
 
 RUN  wget -q -O - https://www.factorio.com/download-headless/stable | grep -o -m1 "/get-download/.*/headless/linux64" | awk '{print "--no-check-certificate https://www.factorio.com"$1" -O /tmp/factorio.tar.gz"}' | xargs wget \
diff --git a/init.sh b/init.sh
index 20fdd5a..07dd529 100755
--- a/init.sh
+++ b/init.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if [ ! -f /opt/factorio/saves/save0.zip ]; then
-  /opt/factorio/bin/x64/factorio --create save0
+if [ ! -f $SAVEFILE ]; then
+  /opt/factorio/bin/x64/factorio --create $SAVEFILE
 fi
-/opt/factorio/bin/x64/factorio --start-server save0
+/opt/factorio/bin/x64/factorio --start-server $SAVEFILE