paper: use alex; update version

stacks/paper.yml

@@ -2,12 +2,12 @@ version: '3.4'
 
 services:
   app:
-    image: 'git.rustybever.be/chewing_bever/mc-paper:1.19.4-525'
+    image: 'git.rustybever.be/chewing_bever/mc-paper:1.19.4-550'
     build:
       context: paper
       args:
         - 'MC_VERSION=1.19.4'
-        - 'PAPERMC_VERSION=525'
+        - 'PAPERMC_VERSION=550'
 
     # These are necessary to make the console work
     stdin_open: true
@@ -24,14 +24,18 @@ services:
           cpus: '4.0'
 
     environment:
-      - 'XMS=4'
-      - 'XMX=8'
+      - 'ALEX_XMS=4096'
+      - 'ALEX_XMX=8192'
+      - 'ALEX_MAX_BACKUPS=28'
+      - 'ALEX_FREQUENCY=360'
     ports:
       - '25565:25565'
     volumes:
       - 'config:/app/config'
       - 'worlds:/app/worlds'
+      - 'backups:/app/backups'
 
 volumes:
   config:
   worlds:
+  backups:

stacks/paper/Dockerfile

@@ -17,24 +17,22 @@ RUN apk add --update --no-cache build-base unzip curl && \
 
 # We use ${:-} instead of a default value because the argument is always passed
 # to the build, it'll just be blank most likely
-FROM ${BASE_IMAGE:-'openjdk:18-slim'}
+FROM ${BASE_IMAGE:-'eclipse-temurin:18-jre-alpine'}
 
 # Build arguments
 ARG MC_VERSION
 ARG PAPERMC_VERSION
 
-# Install mcstatus for healthchecks
-RUN apt update && \
-    apt install --no-install-recommends -y python3-minimal python3-setuptools python3-pip && \
-    python3 -m pip install mcstatus && \
-    apt --purge remove -y python3-pip python3-setuptools && \
-    apt clean && \
-    groupadd -g 1000 paper && \
-    useradd -rMg paper -u 1000 paper
+# Install alex binary
+ADD "https://git.rustybever.be/api/packages/Chewing_Bever/generic/alex/0.2.2/alex-linux-amd64" /bin/alex
+
+RUN chmod +x /bin/alex && \
+    addgroup -Sg 1000 paper && \
+    adduser -SHG paper -u 1000 paper
 
 # Create worlds and config directory
 WORKDIR /app
-RUN mkdir -p worlds config/cache
+RUN mkdir -p worlds config/cache backups
 
 # Download server file
 ADD "https://papermc.io/api/v2/projects/paper/versions/$MC_VERSION/builds/$PAPERMC_VERSION/downloads/paper-$MC_VERSION-$PAPERMC_VERSION.jar" server.jar
@@ -45,10 +43,11 @@ RUN chown -R paper:paper /app
 # Store the cache in an anonymous volume, which means it won't get stored in the other volumes
 VOLUME /app/config/cache
 
-# Default value to keep users from eating up all ram accidentally
-ENV XMX=4
-ENV MC_VERSION="${MC_VERSION}"
-ENV PAPERMC_VERSION="${PAPERMC_VERSION}"
+ENV ALEX_JAR=/app/server.jar \
+    ALEX_CONFIG_DIR=/app/config \
+    ALEX_WORLD_DIR=/app/worlds \
+    ALEX_BACKUP_DIR=/app/backups \
+    ALEX_SERVER_VERSION="${MC_VERSION}-${PAPERMC_VERSION}"
 
 # Document exposed ports
 EXPOSE 25565
@@ -56,13 +55,10 @@ EXPOSE 25565
 # Switch to non-root user
 USER paper:paper
 
-# Entrypoint runs in /app/config
 COPY --from=dumb-init-builder /app/dumb-init /dumb-init
-COPY entrypoint.sh /entrypoint.sh
 
-WORKDIR /app/config
 ENTRYPOINT ["/dumb-init", "--"]
-CMD /entrypoint.sh
+CMD /bin/alex paper
 
-HEALTHCHECK --interval=30s --timeout=5s --start-period=1m --retries=5 \
-    CMD mcstatus localhost:25565 ping
+# HEALTHCHECK --interval=30s --timeout=5s --start-period=1m --retries=5 \
+#     CMD mcstatus localhost:25565 ping