&& mkdir -m 0755 /nix && chown nixuser /nix \
&& apt update && apt install -y wget xz-utils \
&& apt clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
- # sandboxing enabled by default since 2.2
- && mkdir -p /etc/nix && echo 'sandbox = false' > /etc/nix/nix.conf
+ && mkdir -p /etc/nix && touch /etc/nix/nix.conf
USER nixuser
ENV USER=nixuser