Add Docker image

Author: johanbook

Dockerfile

@@ -0,0 +1,15 @@
+FROM node:16.17.1-alpine
+
+LABEL maintainer="Johan Book"
+LABEL title="domain-file-server"
+LABEL description="File server with support for multiple domains"
+
+WORKDIR /app
+COPY . .
+RUN npm ci
+
+USER node
+
+CMD ["node", "server.js"]
+
+EXPOSE 8080

README.md

@@ -1,10 +1,11 @@
-# domain-file-server
+# file-domain-server
 
 _This software has not been tested in regards of security and should not be used
 in a production environment_
 
-**domain-file-server** is a simplistic Nodejs file server supporting multiple
-domains. It is mainly intended to run an internal network with its own DNS server.
+**file-server-domain** is a simplistic Nodejs file server supporting multiple
+domains. It is mainly intended to run an internal network with its own DNS
+server.
 
 ## Configuration
 
@@ -27,3 +28,16 @@ build/mycat.com/favicon.ico
 build/mycat.com/index.html
 build/mycat.com/script.js
 ```
+
+## Docker
+
+The server can be run through Docker
+
+```sh
+docker run \
+	--detach \
+	--publish 8080:8080 \
+	--restart unless-stopped \
+	--volume ${PWD}/build/:/app/build/ \
+	johanbook/file-domain-server:latest
+```

server.js

@@ -3,6 +3,7 @@ const http = require("http");
 const path = require("path");
 
 const DEFAULT_INDEX_FILE = process.env.DEFAULT_INDEX_FILE || "index.html";
+const PORT = process.env.PORT || 8080;
 const ROOT_FILE_PATH = process.env.ROOT_FILE_PATH || "build";
 
 function getFile(filePath) {
@@ -45,9 +46,10 @@ function handleRequest(req, res) {
     res.end();
     return;
   }
+
   res.writeHead(200);
   res.end(file);
 }
 
 const server = http.createServer(handleRequest);
-server.listen(8080);
+server.listen(PORT);