feature: allow non-secure connections

- default to secure
- parameterize via env var

build/Dockerfile

@@ -39,6 +39,7 @@ ENV LR_EXTS="html,xml,css,js,jsx,ts,tsx,php,py"
 ENV LR_EXCLUDE=".git/,.svn/,.vscode/,.idea/"
 ENV LR_DELAY=500
 ENV LR_DEBUG=true
+ENV LR_HTTPS=true
 
 # install livereload npm as node user then switch back to root user
 USER node

build/entrypoint.sh

@@ -6,21 +6,36 @@
 
 # functions
 certificateGenerateNew() {
+    certificateCheckEnabled
     printf "\nGenerating new self-signed certificate:\n"
     printf "Exporting new certificate:\n"
     exit 0
 }
 
 certificateShow() {
+    certificateCheckEnabled
     printf "\nCurrently loaded certificate:\n"
     exit 0
 }
 
 certificateExport() {
+    certificateCheckEnabled
     printf "\nExporting currently loaded certificate:\n"
     exit 0
 }
 
+certificateCheckEnabled() {
+    httpsEnabled="$(convertCaseUpper "$LR_HTTPS")"
+    if [ "$httpsEnabled" != "TRUE" ]; then
+        printf "\nSSL/TLS not enabled. Please set LR_HTTPS=TRUE if you want to enable SSL/TLS.\n"
+        exit 1
+    fi
+}
+
+convertCaseUpper() {
+    printf "%s" "$1" | tr "[:lower:]" "[:upper:]"
+}
+
 # default variable values
 doCertExport=0
 doCertNew=0

build/livereload.js

@@ -4,13 +4,8 @@
 let livereload = require('livereload');
 
 // set createServer options
-const https = require('https');
 const fs = require('fs');
 const options = {
-    https: {
-        cert: fs.readFileSync('/certs/fullchain.pem'),
-        key: fs.readFileSync('/certs/privkey.pem')
-    },
     port: process.env.LR_PORT,
     exts: process.env.LR_EXTS,
     exclusions: process.env.LR_EXCLUDE,
@@ -19,6 +14,14 @@ const options = {
     debug: process.env.LR_DEBUG
 };
 
+if (process.env.LR_HTTPS) {
+    options.https = {
+        cert: fs.readFileSync('/certs/fullchain.pem'),
+        key: fs.readFileSync('/certs/privkey.pem')
+
+    };
+}
+
 // start server
 let server = livereload.createServer(options);
 server.watch('/watch')