Is There an Example of Persisting Workflows Across Server Restarts

[jeff-kwak-gail]

Currently, I'm attempting to try and persist workflows across server restarts:

I'm attempting to setup the --db-filename argument in code like so:

var temporal =
    await builder.AddTemporalServerContainer(
        "temporal", 
        opts =>
            opts.WithNamespace("mynamespace")
            .WithDbFileName("temporal.db")
    );

temporal.PublishAsConnectionString();

However, I'm receiving this error message.

 time=2025-09-06T17:49:44.391 level=ERROR msg="failed starting server: failed setting up schema: unable to create SQLite admin DB: unable to open database file: out of memory (14)"

Does the container need a volume attached? Are there other options available or examples that might show how to set this up? Is my Docker Desktop misconfigured? The machine has a lot of memory.

Thanks for the work!

[onionhammer]

My guess is it's not fully baked

[onionhammer]

@jeff-kwak-gail actually I think I figured it out:

var builder = DistributedApplication.CreateBuilder(args);

// Use the default server options
var temporal = builder
    .AddTemporalServerContainer(
        "temporal",
        b =>
            b.WithPort(7233)
                .WithHttpPort(7234)
                .WithMetricsPort(7235)
                .WithUiPort(8233)
                .WithLogLevel(LogLevel.Info)
                .WithDbFileName("/data/temporal.db")
    )
    .WithBindMount(source: "../.temporal-data", target: "/data", isReadOnly: false);

[jeff-kwak-gail]

Awesome. I'm going to give that a try in the morning.