convert to "rootless"

Dockerfile

@@ -1,32 +1,36 @@
 FROM ubuntu:noble
 
+ARG UID=1000
+ARG GID=1000
+
 ENV DEBIAN_FRONTEND=noninteractive
 
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
 # install prerequisites
-RUN apt update \
+RUN apt-get update \
-    && apt install -y --no-install-recommends \
+  && apt-get install -y --no-install-recommends \
-    curl ca-certificates \
+  curl \
-    jq \
+  ca-certificates \
-    libxml2-utils \
+  jq \
-    && apt autoremove \
+  libxml2-utils \
-    && apt clean \
+  sudo && \
-    && rm -rf /var/lib/apt/lists/*
+  apt-get autoremove && apt-get clean && \
+  rm -rf /var/lib/apt/lists/*
 
 # Remove default ubuntu user
-RUN userdel -r ubuntu \
+RUN userdel -r ubuntu && \
-    && useradd --create-home -u 1000 minecraft \
+  useradd --create-home -u 1000 minecraft && \
-    && mkdir -p /data \
+  echo 'minecraft ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers && \
-    && chown -R 1000:1000 /data
+  mkdir -p /data && \
+  chown -R ${UID}:${GID} /data
 
-USER minecraft
+RUN su -c "curl -sL https://github.com/Jabba-Team/jabba/raw/main/install.sh | bash && . ~/.jabba/jabba.sh" minecraft
-
-RUN curl -sL https://github.com/Jabba-Team/jabba/raw/main/install.sh | bash \
-    && . ~/.jabba/jabba.sh
-
-USER root
 
 COPY ./scripts/init /
 COPY ./scripts/mc /usr/local/bin 
 RUN chmod +x /init && chmod +x /usr/local/bin/mc
 
-CMD ["/init"]
+USER minecraft
+
+CMD ["/init"]