use latest paper version

Dockerfile

@@ -1,27 +1,26 @@
-FROM alpine:3.13 as builder
+FROM openjdk:11 as builder
 
-RUN apk --no-cache add \
-    openjdk8 \
-    git \
+RUN git config --global user.email "papermcbuilder@vanwa.ch"
+RUN git config --global user.name "Vanwa papermc builder"
+
+RUN apt update && apt install -y \
+    patch \
     maven
 
-ENV BUILDTOOLS_VERSION=abd1c566d8cd758bac3a9d67543b719d4b9ab673
-RUN git clone https://hub.spigotmc.org/stash/scm/spigot/buildtools.git
+ENV VERSION=0ea3083817707d792ebac246895455a0aa0d3425
+RUN git clone https://github.com/PaperMC/Paper.git
 
-WORKDIR /buildtools
-RUN git checkout "$BUILDTOOLS_VERSION"
-RUN mvn package
-
-ENV SPIGOT_VERSION=1.16.5
-RUN java -jar target/BuildTools.jar --rev "$SPIGOT_VERSION"
-RUN mv spigot-$SPIGOT_VERSION.jar spigot.jar
+WORKDIR /Paper
+RUN git checkout "$VERSION"
+RUN ./paper jar
+RUN mv /Paper/Paper-Server/target/paper-*.jar /Paper/Paper-Server/target/paper.jar
 
 FROM thallian/confd-env:latest
 
-COPY --from=builder /buildtools/spigot.jar /var/lib/minecraft/spigot.jar
+COPY --from=builder /Paper/Paper-Server/target/paper.jar /var/lib/minecraft/paper.jar
 
 RUN apk add --no-cache \
-    openjdk8 \
+    openjdk11-jre-headless \
     openssl
 
 RUN addgroup minecraft -g 2222

README.md

@@ -1,4 +1,4 @@
-A [Minecraft](https://minecraft.net) server running on [Spigot](https://www.spigotmc.org/).
+A [Minecraft](https://minecraft.net) server running on [Paper](https://papermc.io/).
 
 # Volumes
 - `/var/lib/minecraft/plugins`
@@ -12,7 +12,7 @@ A [Minecraft](https://minecraft.net) server running on [Spigot](https://www.spig
 
 # Environment Variables
 ## SERVER_NAME
-The name of the server. 
+The name of the server.
 
 ## MOTD
 Message of the day.
@@ -33,7 +33,7 @@ One of:
 - 1: Ops can bypass spawn protection.
 - 2: Ops can use /clear, /difficulty, /effect, /gamemode, /gamerule, /give, and /tp, and can edit command blocks.
 - 3: Ops can use /ban, /deop, /kick, and /op.
-- 4: Ops can use /stop. 
+- 4: Ops can use /stop.
 
 ## ALLOW_NETHER
 - default: true
@@ -43,7 +43,7 @@ Whether players can travel to the Nether.
 ## ALLOW_FLIGHT
 - default: false
 
-Allows users to use flight on your server while in Survival mode, if they have a mod that provides flight installed.  
+Allows users to use flight on your server while in Survival mode, if they have a mod that provides flight installed.
 No effect in Creative mode.
 
 ## ANNOUNCE_PLAYER_ACHIEVEMENTS
@@ -64,7 +64,7 @@ One of:
 - FLAT: A flat world with no features, meant for building.
 - LARGEBIOMES: Same as default but all biomes are larger.
 - AMPLIFIED: Same as default but world-generation height limit is increased.
-- CUSTOMIZED: Same as default unless generator-settings is set to a preset. 
+- CUSTOMIZED: Same as default unless generator-settings is set to a preset.
 
 ## MAX_BUILD_HEIGHT
 - default: 256
@@ -74,7 +74,7 @@ The maximum height in which building is allowed. Terrain may still naturally gen
 ## SPAWN_NPCS
 - default: true
 
-Determines whether villagers will be spawned. 
+Determines whether villagers will be spawned.
 
 ## SPAWN_ANIMALS
 - default: true
@@ -84,7 +84,7 @@ Determines if [animals](http://minecraft.gamepedia.com/Mob#Passive) will be able
 ## SPAWN_MONSTERS
 - default: true
 
-Determines if monsters will be spawned. 
+Determines if monsters will be spawned.
 
 ## GENERATE_STRUCTURES
 - default: true
@@ -115,7 +115,7 @@ One of:
 - 0: Peaceful
 - 1: Easy
 - 2: Normal
-- 3: Hard 
+- 3: Hard
 
 ## GAMEMODE
 - default: 0
@@ -126,7 +126,7 @@ One of:
 - 0: Survival
 - 1: Creative
 - 2: Adventure
-- 3: Spectator 
+- 3: Spectator
 
 ## ONLINE_MODE
 - default: true
@@ -141,7 +141,7 @@ If non-zero, players are kicked from the server if they are idle for more than t
 ## MAX_PLAYERS
 - default: 20
 
-The maximum number of players that can play on the server at the same time. 
+The maximum number of players that can play on the server at the same time.
 
 ## VIEW_DISTANCE
 - default: 10

rootfs/etc/services.d/minecraft/run

@@ -1,4 +1,4 @@
 #!/usr/bin/with-contenv sh
 
 cd /var/lib/minecraft
-exec s6-setuidgid minecraft java -Xms${MIN_RAM:-512M} -Xmx${MAX_RAM:-512M} -XX:+UseG1GC -jar /var/lib/minecraft/spigot.jar
+exec s6-setuidgid minecraft java -Xms${MIN_RAM:-512M} -Xmx${MAX_RAM:-512M} -XX:+UseG1GC -jar /var/lib/minecraft/paper.jar