More preparation for running in docker

Dockerfile

@@ -1,14 +1,12 @@
 FROM alpine:latest
 
+# Dependencies
 RUN apk add gcompat
 RUN apk add libuuid
 
-# copy users file and app binary
-COPY ./output/userctl /root/userctl
-COPY ./output/server /root/server
+# Executable files
+COPY ./output/userctl /userctl
+COPY ./output/server /server
 
-RUN mkdir /books
-
-# init command
-#ENTRYPOINT [ "/root/server", "5000", "/books", "ThoNohT's Library" ]
-ENTRYPOINT [ "/bin/sh" ]
+# Entrypoint
+ENTRYPOINT /server "$OFS_PORT" "$OFS_LIBRARY_PATH" "$OFS_TITLE"