Petru Paler
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- Add docker.nix for Nix-based Docker image builds - Update flake.nix with dockerImage package output - Add output: standalone to next.config.ts for production builds - Add /metrics endpoint for Prometheus scraping - Add Gitea Actions workflow calling shared deploy-nomad.yaml Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
112 lines
2.7 KiB
Nix
112 lines
2.7 KiB
Nix
# ABOUTME: Nix expression for building PhaseFlow Docker image.
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# ABOUTME: Creates standalone Next.js production bundle with minimal dependencies.
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{ pkgs }:
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let
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src = pkgs.lib.cleanSource ./.;
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# Build the Next.js application using pnpm
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# Note: This builds with network access. For fully reproducible builds,
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# consider using pnpm.fetchDeps or dream2nix in the future.
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phaseflow = pkgs.stdenv.mkDerivation {
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pname = "phaseflow";
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version = "0.1.0";
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inherit src;
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nativeBuildInputs = with pkgs; [
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nodejs_24
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pnpm
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cacert
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];
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# Allow network access for pnpm install
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__noChroot = true;
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# Enable network during build (requires trusted-users in nix.conf)
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# Alternative: use sandbox = false for this derivation
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impureEnvVars = pkgs.lib.fetchers.proxyImpureEnvVars ++ [
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"HOME"
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"npm_config_cache"
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];
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buildPhase = ''
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export HOME=$TMPDIR
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export NEXT_TELEMETRY_DISABLED=1
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# Provide dummy env vars for build (actual values injected at runtime)
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export RESEND_API_KEY="re_build_placeholder"
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export ENCRYPTION_KEY="build_placeholder_32_chars_long!"
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export CRON_SECRET="build_placeholder_secret"
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export POCKETBASE_URL="http://localhost:8090"
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export APP_URL="https://phaseflow.v.paler.net"
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# Install dependencies
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pnpm install --frozen-lockfile
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# Build the Next.js app with standalone output
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pnpm build
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'';
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# Disable broken symlink check - pnpm creates internal symlinks we don't need
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dontCheckForBrokenSymlinks = true;
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installPhase = ''
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mkdir -p $out
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# Copy standalone server (self-contained with minimal node_modules)
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cp -r .next/standalone/* $out/
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# Copy static assets (Next.js standalone requires these separately)
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mkdir -p $out/.next
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cp -r .next/static $out/.next/static
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# Copy public assets
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if [ -d public ]; then
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cp -r public $out/public
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fi
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'';
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};
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in
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pkgs.dockerTools.buildImage {
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name = "gitea.v.paler.net/alo/phaseflow";
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tag = "latest";
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copyToRoot = pkgs.buildEnv {
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name = "phaseflow-env";
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paths = with pkgs; [
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# System utilities
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busybox
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bash
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# Node.js runtime
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nodejs_24
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# Docker filesystem helpers
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dockerTools.usrBinEnv
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dockerTools.binSh
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dockerTools.fakeNss
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dockerTools.caCertificates
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];
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};
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# Copy the built application
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extraCommands = ''
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mkdir -p -m 1777 tmp
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mkdir -p app
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cp -r ${phaseflow}/* app/
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'';
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config = {
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Env = [
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"NODE_ENV=production"
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"PORT=3000"
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"HOSTNAME=0.0.0.0"
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];
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ExposedPorts = {
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"3000/tcp" = {};
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};
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Cmd = [ "${pkgs.nodejs_24}/bin/node" "/app/server.js" ];
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WorkingDir = "/app";
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};
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}
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