FROM itzg/minecraft-server:java21

ENV TYPE=PAPER \
    VERSION=1.20.6 \
    EULA=TRUE \
    MEMORY=8G \
    INIT_MEMORY=8G \
    MAX_MEMORY=8G \
    REMOVE_OLD_MODS=true \
    SYNC_SKIP_ALL=true \
    ONLINE_MODE=TRUE \
    SPAWN_PROTECTION=0 \
    ALLOW_NETHER=true \
    ENABLE_COMMAND_BLOCK=true \
    MOTD="GridKart SMP - Java & Bedrock | 1.8 to Latest" \
    DIFFICULTY=normal \
    MAX_PLAYERS=25

# Geyser + Floodgate for Bedrock crossplay
# ViaVersion + ViaBackwards for old Java versions 1.8+
RUN mkdir -p /data/plugins && \
    curl -o /data/plugins/Geyser-Spigot.jar https://download.geysermc.org/v2/projects/geyser/versions/latest/builds/latest/downloads/spigot && \
    curl -o /data/plugins/Floodgate-Spigot.jar https://download.geysermc.org/v2/projects/floodgate/versions/latest/builds/latest/downloads/spigot && \
    curl -L -o /data/plugins/ViaVersion.jar https://hangar.papermc.io/api/v1/projects/ViaVersion/ViaVersion/versions/latest/download && \
    curl -L -o /data/plugins/ViaBackwards.jar https://hangar.papermc.io/api/v1/projects/ViaBackwards/ViaBackwards/versions/latest/download

EXPOSE 25565/tcp
EXPOSE 19132/udp