✨ feat: add initial webserver setup with Express and proxy middleware

webserver/package.json

@@ -0,0 +1,17 @@
+{
+    "name": "webserver",
+    "version": "1.0.0",
+    "description": "",
+    "main": "webserver.js",
+    "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1"
+    },
+    "author": "Sebastian Frank",
+    "license": "MIT",
+    "dependencies": {
+        "connect-history-api-fallback": "^1.6.0",
+        "express": "^4.17.2",
+        "http-proxy-middleware": "^2.0.2",
+        "morgan": "^1.10.0"
+    }
+}

webserver/webserver.js

@@ -0,0 +1,66 @@
+var express = require("express")
+var morgan = require("morgan")
+var { createProxyMiddleware } = require("http-proxy-middleware")
+var historyFallback = require("connect-history-api-fallback")
+var app = express()
+app.use(morgan("dev"))
+
+var port = process.env.PORT || 3000
+var host = process.env.HOST || "0.0.0.0"
+var api = process.env.API
+var index = process.env.INDEX
+var ssr = process.env.SSR
+
+var apiFrom = ""
+var apiTo = ""
+
+if (api) {
+    var _api = api.split(":")
+    apiFrom = _api[0]
+    for (var i = 1; i < _api.length; i++) {
+        if (apiTo) apiTo = apiTo + ":"
+        apiTo = apiTo + _api[i]
+    }
+
+    if (apiFrom && apiTo) {
+        console.log("using api: " + apiFrom + " -> " + apiTo)
+        var _pR = {}
+        _pR["^" + apiFrom] = ""
+        app.use(
+            apiFrom,
+            createProxyMiddleware({
+                target: apiTo,
+                changeOrigin: true,
+                pathRewrite: _pR,
+            })
+        )
+    }
+}
+
+app.use(express.static(process.env.WEBROOT || "/data"))
+
+if (ssr) {
+    console.log("using ssr via: " + ssr)
+    app.use(
+        createProxyMiddleware({
+            target: ssr,
+            changeOrigin: true,
+        })
+    )
+}
+
+if (index) {
+    console.log("using default index: " + index)
+    app.use(historyFallback({ index: index, verbose: true, disableDotRule: true }))
+    app.get(index, function (req, res) {
+        res.sendFile(index, {
+            root: process.env.WEBROOT || "/data",
+        })
+    })
+}
+
+app.use(function (req, res, next) {
+    res.status(404).end()
+})
+
+var server = app.listen(port, host)