Run action on workflow update

.gitea/workflows/docker.yaml

@@ -0,0 +1,29 @@
+name: Build AirSignal Docker image
+
+on:
+  push:
+    branches: [master, main]
+    paths:
+      - ".gitea/workflows/docker.yaml"
+      - "Dockerfile"
+      - "*.js"
+      - "*.json"
+
+jobs:
+  build-docker:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Login to container registry
+        uses: docker/login-action@v3
+        with:
+          registry: gitea.vps.chriphost.de
+          username: ${{ secrets.CONTAINER_REGISTRY_USER }}
+          password: ${{ secrets.CONTAINER_REGISTRY_TOKEN }}
+      - name: Build Docker image
+        run: docker build . --file Dockerfile --tag gitea.vps.chriphost.de/christoph/airsignal:latest
+      - name: Push Docker image
+        run: docker push gitea.vps.chriphost.de/christoph/airsignal:latest
+
+    

Dockerfile

@@ -0,0 +1,21 @@
+# Using official node image as a parent image
+FROM public.ecr.aws/docker/library/node:20-alpine3.18
+
+# Create working directory
+RUN mkdir /app
+
+# Setting the working directory to /app
+WORKDIR /app
+
+# Copy the current directory contents into the container at /app
+COPY . /app
+
+# Install AirSignal dependencies
+RUN npm install
+
+# AirSignal port
+EXPOSE 12776
+
+# Run AirSignal when the container launches
+ENTRYPOINT ["node"]
+CMD ["server.js"]

README.md

@@ -3,6 +3,10 @@ This is the nodejs webrtc signalling server code straight off the WebRTC Network
 
 Use this to create a signalling server for WebRTC projects. AirSignal is used in [AirPeer](https://github.com/adrenak/airpeer), a general purpose WebRTC plugin for Unity as well as [UniVoice](https://github.com/adrenak/univoice), a VoIP solution for Unity based on AirPeer.
 
+## Installation (Docker)
+
+Run `docker run --rm --name airsignal -p "12776:12776" -p "12776:12776/udp" -d gitea.vps.chriphost.de/christoph/airsignal:latest` to spin up the container.
+
 ## Installation
 Install [Nodejs](https://nodejs.org/en/) which comes with [NPM](https://www.npmjs.com/get-npm)
 After installing run the following commands: