Build neovim for Linux/aarch64 with Docker and git (mostly automated)

build-neovim.sh

#!/usr/bin/env bash

CONTAINER=${CONTAINER:-nvim-builder}
INSTALL_DIR=${INSTALL_DIR:-/opt/nvim}

# make the docker container
docker build -t ${CONTAINER} .

if [ ! -d neovim ] ; then
    git clone github.com:neovim/neovim
    cd neovim && git checkout stable && cd -
fi

if [ -d "${INSTALL_DIR}" ] ; then
    sudo rm -rf "${INSTALL_DIR}"
fi

sudo mkdir -pv "${INSTALL_DIR}"
sudo chown $(id -nu):$(id -ng) "${INSTALL_DIR}"

docker run  \
    -eUSER=$(whoami) \
    -eINSTALL_DIR="${INSTALL_DIR}" \
    -u"$(id -u):$(id -g)" \
    -w"$(pwd)" \
    -v"$(pwd):$(pwd)" \
    -v"${INSTALL_DIR}:${INSTALL_DIR}" \
    -v"/tmp:/tmp" \
    ${CONTAINER}

Dockerfile

FROM ubuntu:24.04

RUN apt-get update && \
    apt-get install -y \
        ninja-build \
        gettext \
        cmake \
        unzip \
        curl \
        build-essential

ADD start.sh /
RUN chmod +x /start.sh

CMD [ "/start.sh" ]

start.sh

#!/usr/bin/env bash

cd neovim \
    && make clean \
    && make CMAKE_BUILD_TYPE=RelWithDebInfo CMAKE_INSTALL_PREFIX="${INSTALL_DIR}" \
    && make install