diff --git a/Dockerfile b/Dockerfile
index 61ffb19..1ee34be 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,5 +5,6 @@ RUN wget -O JTS3ServerMod.zip "https://www.stefan1200.de/downloads/JTS3ServerMod
 FROM alpine
 COPY --from=helper /JTS3ServerMod /JTS3ServerMod
 RUN apk add --no-cache openjdk8-jre-base
+VOLUME /JTS3ServerMod/config
 WORKDIR /JTS3ServerMod
 CMD java -jar JTS3ServerMod.jar
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