Changed Dockerfile to support persistance

Dockerfile

@@ -13,14 +13,13 @@ FROM alpine:3.20
 
 # HTTPS-Callouts in Alpine brauchen ca-certificates
 RUN apk add --no-cache ca-certificates
+RUN mkdir /lists
 
 COPY --from=builder /bin/ipblock-api /bin/ipblock-api
-
+COPY ./lists /lists
 # Default listens on :8080 – siehe main.go
 EXPOSE 8080
 
-# Environment defaults; können per compose überschrieben werden
-ENV REDIS_ADDR=redis:6379 \
-    TTL_HOURS=720
+VOLUME /lists
 
 ENTRYPOINT ["/bin/ipblock-api"]