testing

.gitignore

@@ -1,2 +1,3 @@
 data
 .env
+screenlog.0

Dockerfile

@@ -10,7 +10,7 @@ RUN groupadd -g 1000 minecraft && \
 
 # Install scripting dependencies
 RUN apt-get update && \
-    apt-get install -y curl gpg jq screen && \
+    apt-get install -y curl gpg jq procps screen && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 

Makefile

@@ -0,0 +1,18 @@
+CONTAINER = minecraft-minecraft-1
+
+.PHONY: default build clean install
+default: build
+
+build:
+	docker compose build
+
+clean:
+	rm screenlog.0
+	docker compose down --rmi all
+	docker builder prune -f
+
+install: build
+	touch screenlog.0
+	docker compose up -d
+	sleep 2
+	docker logs -f $(CONTAINER)

docker-compose.yml

@@ -12,8 +12,10 @@ services:
     image: ${IMAGE:-minecraft}:${TAG:-latest}
     ports:
       - "0.0.0.0:25565:25565"
-    #volumes:
-    #  - minecraft:/app/world
+    volumes:
+      - type: bind
+        source: ./screenlog.0
+        target: /app/screenlog.0
     environment:
       EULA: "${EULA:-false}"
       DEBUG: "${DEBUG:-false}"

entrypoint.sh

@@ -46,6 +46,9 @@ fi
 # Pre-create the screen log
 touch screenlog.0
 
+# Set up a SIGTERM signal trap
+trap 'kill ${TAIL_PID}' SIGTERM
+
 # Run server in screen (without attaching)
 /usr/bin/screen -dmS minecraft -L \
   bash -c "
@@ -54,6 +57,33 @@ touch screenlog.0
     /usr/bin/java $JVM_OPTS -jar server.jar --nogui
   "
 
+# Get screen PID
+SCREEN_PID="$(
+  screen -ls | grep -oE '[0-9]+\.minecraft' | cut -d. -f1
+)"
+
+# Check screen PID
+if ! ps -p "$SCREEN_PID" > /dev/null; then
+    echo "[ERROR] Could not obtain screen PID: \"$SCREEN_PID\""
+    screen -ls
+    echo now testing:
+    screen -ls | grep -oE '[0-9]+\.minecraft' | cut -d. -f1
+    exit 1
+fi
+
 # Tail screen log to container stdout
 [ "$DEBUG" = "true" ] && echo "[DEBUG] Tailing screenlog.0"
-tail -f screenlog.0
+tail -f screenlog.0 &
+TAIL_PID=$!
+wait "$TAIL_PID"
+
+
+if screen -ls | grep -q minecraft; then
+  echo "[INFO] Stopping minecraft"
+  /usr/bin/screen -p 0 -S minecraft -X eval 'stuff "stop"\015'
+else
+  echo "[WARN]: 'minecraft' screen not found attempting to stop server"
+  return 1
+fi
+
+wait "$SCREEN_PID"