Add Dockerfile

.dockerignore

@@ -0,0 +1,4 @@
+# Run `npm run build` before `npm run docker`
+/*
+!/dist
+!/package*.json

Dockerfile

@@ -0,0 +1,12 @@
+FROM node:18-alpine
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install --production
+
+COPY dist .
+
+ENTRYPOINT ["node"]
+CMD ["srv/index.js"]

package.json

@@ -8,6 +8,9 @@
     "watch": "tsc -p ./ -w",
     "start": "npm run watch & nodemon dist/srv/index.js",
     "fix": "prettier --write .",
+    "docker": "docker build -t thgh/tunnelmole .",
+    "docker:push": "docker push thgh/tunnelmole",
+    "docker:run": "docker run -it -e PORT=80 -e TUNNELMOLE_API_KEYS=example-only-delete-in-production -p 80:80 tunnelmole",
     "start-prod": "node dist/srv/index.js"
   },
   "author": "",

srv/index.ts

@@ -103,3 +103,7 @@ const interval = setInterval(function ping() {
 wss.on("close", function close() {
   clearInterval(interval);
 });
+
+// Listen for termination signals allows Ctrl+C in docker run
+process.on("SIGINT", () => process.exit(0));
+process.on("SIGTERM", () => process.exit(0));