From 281d0a867bc542bef52d5091fed3bf1b0d3b9ef6 Mon Sep 17 00:00:00 2001
From: Martin Fischer <martin@push-f.com>
Date: Sun, 6 Apr 2025 09:40:30 +0200
Subject: build: introduce Nix package and NixOS service

---
 lex-serve/main.go | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'lex-serve')

diff --git a/lex-serve/main.go b/lex-serve/main.go
index d0fb690..826548f 100644
--- a/lex-serve/main.go
+++ b/lex-serve/main.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"io/ioutil"
 	"log"
+	"net"
 	"net/http"
 	"net/url"
 	"os"
@@ -16,6 +17,11 @@ import (
 var countriesJSON []byte
 
 func main() {
+	socketPath := os.Getenv("SOCKET_PATH")
+	if socketPath == "" {
+		log.Fatal("SOCKET_PATH must be set")
+	}
+
 	domain := os.Getenv("DOMAIN")
 	if domain == "" {
 		log.Fatal("DOMAIN environment variable must be set")
@@ -50,8 +56,15 @@ func main() {
 		}
 	}
 	http.HandleFunc("/", handler.handle)
-	println("listening on 8000")
-	log.Fatal(http.ListenAndServe(":8000", nil))
+	listener, err := net.Listen("unix", socketPath)
+	if err != nil {
+		log.Fatal(err)
+	}
+	if err := os.Chmod(socketPath, 0666); err != nil {
+		log.Fatalf("error setting socket permissions: %s", err)
+		return
+	}
+	log.Fatal(http.Serve(listener, nil))
 }
 
 //go:embed templates
-- 
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