Added entrypoint that allows config persistence

Dockerfile

@@ -1,6 +1,10 @@
 FROM docker.io/anatolelucet/neovim:nightly
 
+COPY ./entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
 RUN apk add fzf git nodejs python3 py3-pynvim ripgrep zig
 RUN mkdir ~/.config/
 RUN git clone https://github.com/Cian-H/my_nvim_config.git
-RUN mv my_nvim_config ~/.config/nvim
+WORKDIR /cwd
+CMD ["/entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env sh
+
+mkdir -p ~/.config/nvim
+
+if [ -z "$(ls -A ~/.config/nvim)" ]; then
+    cp -r /my_nvim_config/* ~/.config/nvim/
+fi
+/usr/bin/env nvim