C1: nix-build homepage container for amd64 ringtail migration
Replace Dockerfile (arm64-only, indri-built) with a nix derivation adapted from nixpkgs pkgs/by-name/ho/homepage-dashboard. Built via the nix-container-builder runner on ringtail, producing an amd64 image suitable for k3s. Includes the upstream Next.js file-system-cache patch to avoid prerender cache write failures on a read-only nix store path (nixpkgs issues #328621 and #458494). Pinned to v1.11.0 (current production version).
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2 changed files with 119 additions and 47 deletions
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# Homepage - self-hosted services dashboard
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# Two-stage build: Node.js build, Alpine runtime
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ARG CONTAINER_APP_VERSION=v1.11.0
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ARG HOMEPAGE_VERSION=${CONTAINER_APP_VERSION}
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FROM node:24-slim AS builder
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ARG HOMEPAGE_VERSION
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RUN apt-get update && apt-get install -y --no-install-recommends git ca-certificates \
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&& rm -rf /var/lib/apt/lists/*
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RUN git clone --depth 1 --branch ${HOMEPAGE_VERSION} \
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https://forge.ops.eblu.me/mirrors/homepage.git /app
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WORKDIR /app
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RUN mkdir -p config \
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&& corepack enable && corepack prepare pnpm@latest --activate \
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&& pnpm install --frozen-lockfile \
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&& NEXT_TELEMETRY_DISABLED=1 pnpm run build
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FROM node:24-alpine
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ARG CONTAINER_APP_VERSION
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LABEL org.opencontainers.image.title="Homepage"
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LABEL org.opencontainers.image.description="A self-hosted services landing page"
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LABEL org.opencontainers.image.version="${CONTAINER_APP_VERSION}"
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LABEL org.opencontainers.image.source="https://forge.eblu.me/eblume/blumeops"
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LABEL org.opencontainers.image.vendor="blumeops"
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WORKDIR /app
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COPY --from=builder --chown=1000:1000 /app/public ./public
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COPY --from=builder --chown=1000:1000 /app/.next/standalone/ ./
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COPY --from=builder --chown=1000:1000 /app/.next/static/ ./.next/static
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RUN mkdir -p /app/config && chown 1000:1000 /app/config
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ENV NODE_ENV=production
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ENV PORT=3000
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EXPOSE 3000
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HEALTHCHECK --interval=10s --timeout=3s --start-period=20s \
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CMD wget --no-verbose --tries=1 --spider http://127.0.0.1:3000/api/healthcheck || exit 1
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USER 1000
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CMD ["node", "server.js"]
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119
containers/homepage/default.nix
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119
containers/homepage/default.nix
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@ -0,0 +1,119 @@
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# Nix-built gethomepage/homepage dashboard
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# Builds v1.11.0 from forge mirror.
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#
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# Adapted from nixpkgs pkgs/by-name/ho/homepage-dashboard (commit master),
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# changed to fetch from our forge mirror and wrap with dockerTools for an
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# amd64 image runnable on ringtail's k3s.
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#
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# The preBuild substitutions are not optional — without them Next.js writes
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# its file-system-cache to a read-only path and prerender state breaks after
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# restart (nixpkgs issues #328621 and #458494).
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{ pkgs ? import <nixpkgs> { } }:
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let
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version = "1.11.0";
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homepage = pkgs.stdenv.mkDerivation (finalAttrs: {
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pname = "homepage-dashboard";
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inherit version;
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src = pkgs.fetchgit {
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url = "https://forge.ops.eblu.me/mirrors/homepage.git";
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rev = "v${version}";
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hash = "sha256-jnv9PnClm/jIQ4uU6c4A1UiAmwoihG0l6k3fUbD47I4=";
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};
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pnpmDeps = pkgs.fetchPnpmDeps {
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inherit (finalAttrs) pname version src;
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pnpm = pkgs.pnpm_10;
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fetcherVersion = 3;
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hash = "sha256-X5j9XppbcasGuC7fUsj4XzbaQFM9WcRcXjgJHN/inR8=";
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};
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nativeBuildInputs = [
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pkgs.makeBinaryWrapper
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pkgs.nodejs_24
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pkgs.pnpmConfigHook
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pkgs.pnpm_10
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];
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buildInputs = [
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pkgs.nodePackages.node-gyp-build
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];
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env.PYTHON = "${pkgs.python3}/bin/python";
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preBuild = ''
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substituteInPlace node_modules/next/dist/server/lib/incremental-cache/file-system-cache.js \
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--replace-fail 'this.serverDistDir = ctx.serverDistDir;' \
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'this.serverDistDir = require("path").join((process.env.NIXPKGS_HOMEPAGE_CACHE_DIR || "/tmp/homepage-cache"), "homepage");'
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for bundle in node_modules/next/dist/compiled/next-server/*.runtime.prod.js; do
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substituteInPlace "$bundle" \
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--replace-fail 'this.serverDistDir=e.serverDistDir' \
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'this.serverDistDir=(process.env.NIXPKGS_HOMEPAGE_CACHE_DIR||"/tmp/homepage-cache")+"/homepage"'
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done
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'';
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buildPhase = ''
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runHook preBuild
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mkdir -p config
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pnpm build
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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mkdir -p $out/{bin,share}
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cp -r .next/standalone $out/share/homepage/
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cp -r public $out/share/homepage/public
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chmod +x $out/share/homepage/server.js
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mkdir -p $out/share/homepage/.next
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cp -r .next/static $out/share/homepage/.next/static
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makeWrapper "${pkgs.lib.getExe pkgs.nodejs_24}" $out/bin/homepage \
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--set-default PORT 3000 \
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--set-default HOMEPAGE_CONFIG_DIR /app/config \
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--set-default NIXPKGS_HOMEPAGE_CACHE_DIR /tmp/homepage-cache \
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--add-flags "$out/share/homepage/server.js" \
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--prefix PATH : "${pkgs.lib.makeBinPath [ pkgs.unixtools.ping ]}"
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runHook postInstall
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'';
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doDist = false;
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});
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in
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pkgs.dockerTools.buildLayeredImage {
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name = "blumeops/homepage";
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contents = [
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homepage
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pkgs.cacert
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pkgs.tzdata
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];
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extraCommands = ''
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mkdir -p tmp
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chmod 1777 tmp
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'';
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config = {
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Entrypoint = [ "${homepage}/bin/homepage" ];
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Env = [
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"SSL_CERT_FILE=${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt"
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"TZDIR=${pkgs.tzdata}/share/zoneinfo"
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"TMPDIR=/tmp"
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"NIXPKGS_HOMEPAGE_CACHE_DIR=/tmp/homepage-cache"
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"HOMEPAGE_CONFIG_DIR=/app/config"
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"NEXT_TELEMETRY_DISABLED=1"
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"PORT=3000"
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];
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ExposedPorts = {
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"3000/tcp" = { };
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};
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User = "1000";
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};
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}
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