migrate to custom RCON client

CHANGELOG.md

@@ -1,3 +1,7 @@
+## v0.2.0
+- Migrate to custom RCON client: https://gitea.jovan04.com/evan/WiRCON
+- Upgrade base image to Java 25
+
 ## v0.1.0
 - Initial release
 - Graceful shutdown via SIGTERM / SIGINT

Dockerfile

@@ -1,26 +1,24 @@
-# extract mcrcon
-FROM debian:bookworm-slim AS builder
-
-ADD https://github.com/Tiiffi/mcrcon/releases/download/v0.7.2/mcrcon-0.7.2-linux-x86-64-static.zip /usr/bin/mcrcon.zip
-RUN apt-get update && apt-get install -y unzip 
-
-RUN unzip -j /usr/bin/mcrcon.zip -d /usr/bin/mc-rcon && chmod a+x /usr/bin/mc-rcon/mcrcon
-
-
 # actual image
 FROM eclipse-temurin:25
 
-# included in case the base image doesn't include wget (known bug 08/2026)
+RUN apt-get update 
-RUN apt-get update && apt-get install -y wget ca-certificates
+RUN apt-get install -y wget ca-certificates
+RUN apt-get install -y git
+RUN apt-get install -y python3
+RUN apt-get install -y build-essential
 
-COPY --from=builder /usr/bin/mc-rcon /usr/bin/mc-rcon
+RUN ln -s /usr/bin/python3 /usr/bin/python
+
+# build the RCON client
+RUN git clone https://gitea.jovan04.com/evan/WiRCON && cd WiRCON && make build && mv wircon.pyz /usr/bin/wircon.pyz && cp scripts/restart.py /usr/bin/restart.py
 
 COPY scripts/start-server.sh /usr/bin/start-server.sh
 RUN chmod a+x /usr/bin/start-server.sh
 
-COPY scripts/mcrcon /usr/bin/mcrcon
+COPY scripts/rcon /usr/bin/rcon
-RUN chmod a+x /usr/bin/mcrcon
+RUN chmod a+x /usr/bin/rcon
 
+# default minecraft server files
 COPY template/ /defaults/
 
 WORKDIR /minecraft_data

README.md

@@ -67,19 +67,18 @@ Log into the container:
 ```sh
 docker exec -it minecraft_server bash
 ```
-Use the provided wrapper script (located at `/usr/bin/mcrcon`). The script dynamically reads the password from `/minecraft_data/server.properties`. 
+Use the provided wrapper script (located at `/usr/bin/rcon`). The script dynamically reads the password from `/minecraft_data/server.properties`. 
 
 Send a single command: 
 ```sh
-mcrcon list
+rcon -e list
-mcrcon stop
 ```
 
-For an interactive console (`Ctrl-C` or `Ctrl-D` to quit):
+For an interactive console (`Ctrl-D` to quit):
 ```sh
-mcrcon
+rcon
 ```
-Use this the same as typing into the actual server console
+Use this the same as typing into the actual server console.
 
 ### Graceful Shutdown Behavior
 When the container receives SIGTERM or SIGINT:

scripts/rcon

@@ -1,4 +1,4 @@
 #!/bin/bash
-exec /usr/bin/mc-rcon/mcrcon -p "$(
+exec /usr/bin/wircon.pyz -H localhost -p "$(
   grep '^rcon.password=' /minecraft_data/server.properties | cut -d= -f2-
 )" "$@"

scripts/start-server.sh

@@ -24,12 +24,13 @@ if ! test -f /minecraft_data/eula.txt; then
     cp /defaults/eula.txt /minecraft_data/eula.txt
 fi
 
+
 export MCRCON_PASS=$(grep "^rcon.password=" /minecraft_data/server.properties | cut -d '=' -f 2- | head -n 1)
 
 # shutdown process
 function shutdown {
     echo "stopping Minecraft server..."
-    /usr/bin/mc-rcon/mcrcon -p ${MCRCON_PASS} -w 5 "say Server is restarting!" save-all stop
+    /usr/bin/wircon.pyz -H localhost -p ${MCRCON_PASS} -E /usr/bin/restart.py
     wait $SERVER_PID
 }