Publish a .NET AOT project for Linux on a Windows host using Docker

compose.yaml

# Copyright © 2025 Guiorgy
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.
#
# You can see the full GNU General Public License at
# <https://www.gnu.org/licenses/> for more details.

services:
  builder:
    container_name: DotNet_Builder
    user: "${UID:-1000}"
    build:
      context: .
      dockerfile: Dockerfile.builder
      args:
        UID: "${UID:-1000}"
    working_dir: /build
    volumes:
      - .:/build:rw
    command: >
      /bin/sh -c '
        dotnet publish MyApp.csproj /p:PublishProfile=Properties/PublishProfiles/Release.pubxml;
      '

# Usage: docker compose run --rm builder

Dockerfile.builder

# Copyright © 2025 Guiorgy
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.
#
# You can see the full GNU General Public License at
# <https://www.gnu.org/licenses/> for more details.

FROM mcr.microsoft.com/dotnet/sdk:10.0-aot

RUN apt-get -qq update \
    && apt-get -qq upgrade \
    # Install dependencies, e.g. time zone data
    #&& apt-get -qq install \
    #    tzdata \
    && rm -rf /var/lib/apt/lists/* \
    && dotnet workload update

ARG UID=1000
RUN userdel ubuntu \
    && useradd --non-unique --uid ${UID} --user-group --no-create-home --home /build --shell /sbin/nologin --comment Builder builder \
    && mkdir /build \
    && chown builder:builder /build

USER builder:builder
WORKDIR /build

Notes

Modify MyApp.csproj accordingly.

If you need to use a different SDK from .NET 10.0, then change the base image tag from mcr.microsoft.com/dotnet/sdk:10.0-aot. You can find the full list of available .NET SDK tags here.