Testing telescope.nvim on the latest Neovim

Dockerfile

FROM ubuntu:21.04

RUN yes | unminimize

RUN apt-get update && apt-get install -y \
  ninja-build gettext libtool libtool-bin autoconf automake cmake g++ \
  pkg-config unzip git man-db \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/*

RUN git clone --depth 1 --single-branch \
  https://github.com/neovim/neovim ~/neovim \
  && cd ~/neovim \
  && make CMAKE_BUILD_TYPE=Release \
  && make CMAKE_INSTALL_PREFIX=$HOME/local/nvim install

RUN echo 'export PATH=$HOME/local/nvim/bin:$PATH' >> ~/.bashrc
RUN echo 'nvim --version' >> ~/.bashrc

RUN git clone https://github.com/wbthomason/packer.nvim \
  ~/.local/share/nvim/site/pack/packer/opt/packer.nvim

RUN mkdir -p ~/.config/nvim

RUN echo '\
vim.cmd [[packadd packer.nvim]]\n\
require"packer".startup(function()\n\
  use"wbthomason/packer.nvim"\n\
  use {\n\
    "nvim-telescope/telescope.nvim",\n\
    requires = {{"nvim-lua/popup.nvim"}, {"nvim-lua/plenary.nvim"}}\n\
  }\n\
end)\n\
' >> ~/.config/nvim/init.lua

WORKDIR /root
ENTRYPOINT /bin/bash

You need :PackerCompile & :PackerInstall before using Telescope.