From eed72368c1a6fb89d993d368d3a1f4799c3cdb2b Mon Sep 17 00:00:00 2001
From: Kevin Veen-Birkenbach <kevin@veen.world>
Date: Sun, 6 Jul 2025 12:08:37 +0200
Subject: [PATCH] Added simple-icons role draft

---
 roles/docker-simpleicons/templates/Dockerfile | 25 +++++++++
 .../templates/docker-compose.yml              | 14 +++++
 .../docker-simpleicons/templates/package.json |  9 +++
 roles/docker-simpleicons/templates/server.js  | 55 +++++++++++++++++++
 4 files changed, 103 insertions(+)
 create mode 100644 roles/docker-simpleicons/templates/Dockerfile
 create mode 100644 roles/docker-simpleicons/templates/docker-compose.yml
 create mode 100644 roles/docker-simpleicons/templates/package.json
 create mode 100644 roles/docker-simpleicons/templates/server.js

diff --git a/roles/docker-simpleicons/templates/Dockerfile b/roles/docker-simpleicons/templates/Dockerfile
new file mode 100644
index 00000000..5efaebf5
--- /dev/null
+++ b/roles/docker-simpleicons/templates/Dockerfile
@@ -0,0 +1,25 @@
+# ---- Builder Stage ----
+FROM node:latest AS builder
+
+WORKDIR /app
+# Nur package.json und package-lock.json kopieren für schnellere Caching-Layers
+COPY package*.json ./
+
+# simple-icons installieren
+RUN npm install
+
+# ---- Runtime Stage ----
+FROM node:latest
+
+WORKDIR /app
+# Nur node_modules aus dem Builder übernehmen
+COPY --from=builder /app/node_modules ./node_modules
+# Kopiere den Server-Code
+COPY server.js .
+
+# Port, auf dem der Server lauscht
+ENV PORT=3000
+EXPOSE 3000
+
+# Startbefehl
+CMD ["node", "server.js"]
diff --git a/roles/docker-simpleicons/templates/docker-compose.yml b/roles/docker-simpleicons/templates/docker-compose.yml
new file mode 100644
index 00000000..fde6408f
--- /dev/null
+++ b/roles/docker-simpleicons/templates/docker-compose.yml
@@ -0,0 +1,14 @@
+version: '3.8'
+
+services:
+  icons:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: simpleicons-server:latest
+    container_name: simpleicons-server
+    ports:
+      - "3000:3000"
+    environment:
+      - PORT=3000
+    restart: unless-stopped
diff --git a/roles/docker-simpleicons/templates/package.json b/roles/docker-simpleicons/templates/package.json
new file mode 100644
index 00000000..c42640b6
--- /dev/null
+++ b/roles/docker-simpleicons/templates/package.json
@@ -0,0 +1,9 @@
+{
+  "name": "simpleicons-server",
+  "type": "module",
+  "dependencies": {
+    "express": "^4.18.2",
+    "simple-icons": "^9.0.0",
+    "sharp": "^0.32.0"
+  }
+}
diff --git a/roles/docker-simpleicons/templates/server.js b/roles/docker-simpleicons/templates/server.js
new file mode 100644
index 00000000..6db151ec
--- /dev/null
+++ b/roles/docker-simpleicons/templates/server.js
@@ -0,0 +1,55 @@
+import express from 'express';
+import * as icons from 'simple-icons';
+import sharp from 'sharp';
+
+const app = express();
+const port = process.env.PORT || 3000;
+
+// Helper: turn 'nextcloud' → 'siNextcloud'
+function getExportName(slug) {
+  return 'si' + slug
+    .split('-')
+    .map(part => part[0].toUpperCase() + part.slice(1))
+    .join('');
+}
+
+// GET /icons/:slug.svg
+app.get('/icons/:slug.svg', (req, res) => {
+  const slug = req.params.slug.toLowerCase();
+  const exportName = getExportName(slug);
+  const icon = icons[exportName];
+
+  if (!icon) {
+    return res.status(404).send('Icon not found');
+  }
+
+  res.type('image/svg+xml').send(icon.svg);
+});
+
+// GET /icons/:slug.png?size=...
+app.get('/icons/:slug.png', async (req, res) => {
+  const slug = req.params.slug.toLowerCase();
+  const size = parseInt(req.query.size, 10) || 128;
+  const exportName = getExportName(slug);
+  const icon = icons[exportName];
+
+  if (!icon) {
+    return res.status(404).send('Icon not found');
+  }
+
+  try {
+    const png = await sharp(Buffer.from(icon.svg))
+      .resize(size, size)
+      .png()
+      .toBuffer();
+
+    res.type('image/png').send(png);
+  } catch (err) {
+    console.error('PNG generation error:', err);
+    res.status(500).send('PNG generation error');
+  }
+});
+
+app.listen(port, () => {
+  console.log(`Simple-Icons server listening at http://0.0.0.0:${port}`);
+});