Refactor SignallingWebServer to a single docker file (#337) for UE5.3

SignallingWebServer/Dockerfile

@@ -1,25 +1,30 @@
 # Use the current Long Term Support (LTS) version of Node.js
 FROM node:lts
-
 # Copy the signalling server and frontend source code from the build context
 COPY /SignallingWebServer /SignallingWebServer
 COPY /Frontend /Frontend
-
 # Install the dependencies for the signalling server and build the frontend
 RUN SignallingWebServer/platform_scripts/bash/setup.sh --build
-
 # Expose TCP ports 80 and 443 for player WebSocket connections and web server HTTP(S) access
 EXPOSE 80
 EXPOSE 443
 
 # Expose TCP port 8888 for streamer WebSocket connections
 EXPOSE 8888
+EXPOSE 8888/udp
 
 # Expose TCP port 8889 for connections from the SFU
 EXPOSE 8889
 
+# Expose TCP port 19302 for connections to Google's stun server
+EXPOSE 19302
+
 # Expose TCP port 9999 for connections from the Matchmaker
 EXPOSE 9999
 
+# Expose TCP port 19302 for connections from coturn
+EXPOSE 3478
+EXPOSE 3479
+
 # Set the signalling server as the container's entrypoint
-ENTRYPOINT ["/usr/local/bin/node", "/SignallingWebServer/cirrus.js"]
+ENTRYPOINT ["/usr/local/bin/node", "/SignallingWebServer/cirrus.js"]

SignallingWebServer/platform_scripts/bash/docker-build-cirrus.sh

@@ -1,7 +1,9 @@
 #!/bin/bash
 # Copyright Epic Games, Inc. All Rights Reserved.
+BASH_LOCATION=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+pushd "${BASH_LOCATION}" > /dev/null
 
 # When run from SignallingWebServer/platform_scripts/bash, this uses the SignallingWebServer directory
 # as the build context so the Cirrus files can be successfully copied into the container image
-docker build --network=host -t 'cirrus-webserver:latest' -f ./Dockerfile ../..
-
+docker build --network=host -t 'cirrus-webserver:latest' -f "${BASH_LOCATION}/../../Dockerfile" "${BASH_LOCATION}/../../.."

SignallingWebServer/platform_scripts/bash/docker-start-cirrus.sh

@@ -27,5 +27,5 @@ else
 	peerConnectionOptions="{\""iceServers\"":[{\""urls\"":[\""stun:"${stunserver}"\""]}]}"
 fi
 
-docker run --name cirrus_latest --network host --rm --entrypoint /usr/local/bin/node cirrus-webserver /opt/SignallingWebServer/cirrus.js --peerConnectionOptions="${peerConnectionOptions}" --publicIp="${publicip}"
+docker run --name cirrus_latest --network host --rm --entrypoint /usr/local/bin/node cirrus-webserver /SignallingWebServer/cirrus.js --peerConnectionOptions="${peerConnectionOptions}" --publicIp="${publicip}"