added systemd service file

.drone.yml

@@ -1,6 +1,42 @@
 pipeline:
+ dl-cache:
+    image: repo.shimun.net/drone-plugins/davfile
+    url: https://seaf.shimun.net/seafdav/Drone/cache/
+    secrets: ["docker_username", "docker_password"]
+    file: ${DRONE_REPO_NAME}.tar.gz
+    secrets: ["dav_username", "dav_password"]
+ ex-cache:
+    image: repo.shimun.net/plugins/tar
+    dest: /drone/
+    file: ${DRONE_REPO_NAME}.tar.gz
+    quiet: true
  docker:
     image: plugins/docker
     repo: repo.shimun.net/shimun/sauerbraten
     registry: repo.shimun.net
     secrets: ["docker_username", "docker_password"]
+    storage_path: /drone/docker
+    use_cache: true
+ mk-cache:
+    image: repo.shimun.net/plugins/tar
+    dest: ${DRONE_REPO_NAME}.tar.gz
+    file: /drone/docker
+    quiet: true
+ up-cache:
+    image: repo.shimun.net/plugins/davfile
+    url: https://seaf.shimun.net/seafdav/Drone/cache/
+    upload: true
+    file: ${DRONE_REPO_NAME}.tar.gz
+    secrets: ["dav_username", "dav_password"]
+    group: fin
+ docker-p:
+    image: plugins/docker
+    repo: repo.shimun.net/sauerbraten
+    registry: repo.shimun.net
+    secrets: ["docker_username", "docker_password"]
+    use_cache: true
+    storage_path: /drone/docker
+    squash: true
+    when:
+      event: tag
+    group: fin

Dockerfile

@@ -11,8 +11,18 @@ RUN apk add --no-cache $BUILD_DEPS && cd /usr/src/sauerbraten && \
     cp /usr/src/sauerbraten/bin_unix/native_server /usr/bin/sauerbraten-server && \
     apk del --no-cache $BUILD_DEPS && rm -rf /usr/src/sauerbraten
 
-EXPOSE 28785 28786
+COPY entrypoint.sh /sbin/
 
-ENTRYPOINT /usr/bin/sauerbraten-server
+COPY src/server-init.cfg /etc/default/sauer-server.cfg
 
+RUN chmod +x /sbin/entrypoint.sh
 
+EXPOSE 28785 28786 28785/udp 28786/udp
+
+VOLUME /opt/sauerbraten
+
+WORKDIR /opt/sauerbraten
+
+ENTRYPOINT /sbin/entrypoint.sh
+
+CMD ["-d1", "-c18", "-g2"]

entrypoint.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+if [ ! -e "/opt/sauerbraten/server-init.cfg" ]; then
+ cp "/etc/default/sauer-server.cfg" "/opt/sauerbraten/server-init.cfg"
+fi
+
+/usr/bin/sauerbraten-server "$@"

org.sauerbraten.Cube2.json

@@ -1,52 +0,0 @@
-{
-    "app-id": "org.sauerbraten.Cube2",
-    "runtime": "org.kde.Platform",
-    "runtime-version": "5.9",
-    "sdk": "org.kde.Sdk",
-    "command": "sauerbraten",
-    "modules": [
-        {
-            "name": "game",
-            "sources": [
-                {
-                    "type": "git",
-                    "path": "src",
-                    "commit": "17d79ca96f8ff9848c527979b90ec468f662f8c2"
-                }
-            ],
-            "buildsystem": "simple",
-            "build-commands": [
-                "make -C src install"
-            ]
-        },
-        {
-            "name": "share",
-            "sources": [
-                {
-                    "type": "file",
-                    "url": "http://quadropolis.us/files/sauerbratenicons.png",
-                    "sha256": "4fcd5c0d46f124e64cf92346f32cfc03fe6b239bca098e7909c84f1a58caa71e"
-                },
-                {
-                    "type": "dir",
-                    "path": "share/applications"
-                }
-            ],
-            "buildsystem": "simple",
-            "build-commands":[
-               "#mkdir -p files/share/applications",
-               "#install -D launcher.desktop sauerbratenicons.png files/share/applications/",
-               "#bash -c '(>&2 ls /app/ )'"
-            ]
-        }
-    ],
-    "rename-icon": "sauerbratenicons",
-    "rename-desktop-file": "launcher.desktop",
-    "finish-args": [
-        "--socket=x11",
-        "--socket=wayland",
-        "--share=network",
-        "--socket=pulseaudio"
-    ]
-}
-

sauerbraten.service

@@ -0,0 +1,26 @@
+[Unit]
+Description=Sauerbraten Server container based on https://github.com/andrius4669/zeromod-sauerbraten
+
+[Service]
+Slice=machine.slice
+# Resource limits
+Delegate=true
+CPUShares=256
+MemoryLimit=128M
+
+Environment=ROOT_DIR=/srv/sauerbraten
+Environment=SAUER_PORT=4700
+Environment=SAUER_CMD="-d1 -c18 -g2"
+
+ExecStartPre=/bin/mkdir -p ${ROOT_DIR}
+ExecStart=/usr/bin/rkt --insecure-options=image run --dns 8.8.8.8 --inherit-env --volume volume-opt-sauerbraten,kind=host,source=${ROOT_DIR} \
+                       --port 28785-udp:${SAUER_PORT}5 --port 28786-udp:${SAUER_PORT}6 --port 28785-tcp:${SAUER_PORT}5 --port 28786-tcp:${SAUER_PORT}6 \
+                       docker://repo.shimun.net/sauerbraten -- ${SAUER_CMD} --- --memory=64M
+
+ExecStopPost=/usr/bin/rkt gc
+KillMode=mixed
+Restart=always
+RestartSec=30
+
+[Install]
+WantedBy=multi-user.target

setup-repo.sh

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-git submodule update --init --recursive

share/applications/launcher.desktop

@@ -1,7 +0,0 @@
-[Desktop Entry]
-Name=Sauerbraten
-Exec=sauerbraten
-Comment=Cube2 Sauerbraten
-Icon=sauerbraten
-Type=Application
-Categories=Games;