devel: Remove devcontainer and use_nix in direvn

.devcontainer/Dockerfile

@@ -1,32 +0,0 @@
-FROM mcr.microsoft.com/dotnet/sdk:10.0
-
-# Bun version
-ARG BUN_INSTALL=/usr/local
-ARG BUN_VERSION=bun-v1.2.16
-
-# Install node, 7zip, yarn, git, process tools
-RUN apt-get update \
-    && apt-get install -y p7zip-full git procps ssh-client unzip
-
-# Install Bun
-RUN set -eux; \
-    curl -fsSL https://bun.sh/install > /usr/local/bin/install-bun \
-    && chmod +x /usr/local/bin/install-bun \
-    && /usr/local/bin/install-bun $BUN_VERSION debug-info
-
-ENV BUN_INSTALL=/usr/local
-
-# Clean up
-RUN apt-get autoremove -y \
-    && apt-get clean -y \
-    && rm -rf /var/lib/apt/lists/*
-
-# Trouble brewing
-RUN rm /etc/ssl/openssl.cnf
-
-# Add dotnet tools to path to pick up fake and paket installation
-ENV PATH="/root/.dotnet/tools:${PATH}"
-
-# Copy endpoint specific user settings into container to specify
-# .NET Core should be used as the runtime.
-COPY settings.vscode.json /root/.vscode-remote/data/Machine/settings.json

.devcontainer/devcontainer.json

@@ -1,11 +0,0 @@
-{
-	"name": "SAFE",
-	"dockerFile": "Dockerfile",
-	"appPort": [8080, 8085],
-	"extensions": [
-		"ionide.ionide-fsharp",
-        "ms-dotnettools.csharp",
-        "editorconfig.editorconfig",
-        "msjsdiag.debugger-for-chrome"
-	]
-}

.devcontainer/settings.vscode.json

@@ -1,3 +0,0 @@
-{
-    "FSharp.fsacRuntime":"netcore"
-}

.envrc

@@ -1,9 +1,4 @@
 #!/usr/bin/env bash
 # the shebang is ignored, but nice for editors
-
-if type -P lorri &>/dev/null; then
-  eval "$(lorri direnv)"
-else
-  echo 'while direnv evaluated .envrc, could not find the command "lorri" [https://github.com/nix-community/lorri]'
-  use nix
-fi
+dotenv_if_exists
+use nix

.gitea/workflows/build.yaml

@@ -0,0 +1,24 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/SchemaStore/schemastore/master/src/schemas/json/github-workflow.json
+name: Build
+
+on:
+    push:
+        branches: [main]
+    pull_request:
+        branches: [main]
+
+env:
+    DOTNET_NOLOGO: true
+    DOTNET_CLI_TELEMETRY_OPTOUT: true
+    DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
+    NUGET_XMLDOC_MODE: ""
+    DOTNET_MULTILEVEL_LOOKUP: 0
+
+jobs:
+    build:
+        runs-on: nix
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+            - name: Build
+              run: nix build -f .

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 Serit Tromsø AS
+Copyright (c) 2026 Oceanbox AS
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal