public static async Task BuildContainerImageAsync(OutputContext output, Application application, ContainerStep container)
{
if (output is null)
{
throw new ArgumentNullException(nameof(output));
}
if (application is null)
{
throw new ArgumentNullException(nameof(application));
}
if (container is null)
{
throw new ArgumentNullException(nameof(container));
}
DockerfileGenerator.ApplyContainerDefaults(application, container);
using var tempFile = TempFile.Create();
var dockerFilePath = Path.Combine(application.ProjectDirectory, "Dockerfile");
if (File.Exists(dockerFilePath))
{
output.WriteDebugLine("using existing dockerfile");
}
else
{
await DockerfileGenerator.WriteDockerfileAsync(output, application, container, tempFile.FilePath);
dockerFilePath = tempFile.FilePath;
}
output.WriteDebugLine("running docker build");
output.WriteDebug($"> docker build . -t {container.ImageName}:{container.ImageTag} -f \"{dockerFilePath}\"");
var capture = output.Capture();
var exitCode = await Process.ExecuteAsync(
$"docker",
$"build . -t {container.ImageName}:{container.ImageTag} -f \"{dockerFilePath}\"",
application.ProjectDirectory,
stdOut : capture.StdOut,
stdErr : capture.StdErr);
output.WriteDebugLine($"done running docker build exit code:{exitCode}");
if (exitCode != 0)
{
throw new CommandException("Docker build failed.");
}
}