julia package dockerfile https://discourse.julialang.org/t/slow-julia-startup-time-after-sysimage-creation/44102

Dockerfile

FROM julia:1.5

RUN apt-get update \
  && apt-get install -y \
     build-essential \
     cmake \
     gfortran \
     git \
     libatomic1 \
     m4 \
     perl \
     pkg-config \
     python \
     wget

RUN julia -e 'using Pkg; Pkg.add([ \
                "Revise","JuliaFormatter", \
                "LanguageServer", \
                "PackageCompiler", \
                "EllipsisNotation", "Parameters", "JSON2", \
                "Distributions", \
                "OhMyREPL", \
                "Plots", \
                "Flux","Zygote" \
             ])'

# Do Ahead of Time Compilation using PackageCompiler
RUN julia --trace-compile="traced.jl" \
          -e 'using \
              Revise, JuliaFormatter, \
              LanguageServer, \
              PackageCompiler, \
              EllipsisNotation, Parameters, JSON2, \
              Distributions, \
              OhMyREPL, \
              Plots, \
              Flux, Zygote'

RUN julia -e 'using PackageCompiler; \
              PackageCompiler.create_sysimage([ \
                               :Revise, :JuliaFormatter, \
                               :LanguageServer, \
                               :PackageCompiler, \
                               :EllipsisNotation, :Parameters, :JSON2, \
                               :Distributions, \
                               :OhMyREPL, \
                               :Plots, \
                               :Flux, :Zygote \
              ]; precompile_statements_file="traced.jl", replace_default=true) \
             '

RUN julia -e 'using Flux, Zygote;' \
    && julia -e 'using InteractiveUtils; versioninfo()'