diff --git a/Dockerfile b/Dockerfile
index e095277..284e393 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,11 @@
-# Builder container
 #############################
 ## BUILDER                 ##
 ## Builds rcon-cli for us. ##
 #############################
-FROM ghcr.io/archlinux/archlinux:latest AS builder
+FROM alpine AS builder
 
-RUN sed "s/SigLevel\ \ \ \ \=\ Required\ DatabaseOptional/SigLevel\ \=\ Optional/g" -i /etc/pacman.conf
-RUN nice -20 pacman -Syu --noconfirm go base-devel git
+RUN nice -20 apk update
+RUN nice -20 apk add go git
 RUN mkdir /builder /builder/bin
 RUN git clone --depth=1 https://github.com/gorcon/rcon-cli /builder/rcon-cli
 WORKDIR /builder/rcon-cli
@@ -17,7 +16,7 @@ RUN nice -20 go build -ldflags "-s -w -X main.ServiceVersion=mcsd-builder" -o /b
 ## This container will be used to ##
 ## run a Minecraft server.        ##
 ####################################
-FROM ghcr.io/archlinux/archlinux:latest AS main
+FROM alpine AS main
 LABEL org.opencontainers.image.title="MCServerDocker"
 LABEL org.opencontainers.image.description="Runs a Minecraft Server inside a Docker container."
 LABEL org.opencontainers.image.authors="JeremyStarTM <jeremystartm@staropensource.de>"
@@ -26,8 +25,9 @@ LABEL org.opencontainers.image.documentation="https://git.staropensource.de/Jere
 LABEL org.opencontainers.image.source="https://git.staropensource.de/JeremyStarTM/MCServerDocker"
 LABEL org.opencontainers.image.licenses="GPL-3.0-only"
 
-RUN sh -c 'sed "s/SigLevel\ \ \ \ \=\ Required\ DatabaseOptional/SigLevel\ \=\ Optional/g" -i /etc/pacman.conf'
-RUN nice -20 pacman -Syu --noconfirm jre17-openjdk jre11-openjdk jre8-openjdk
+RUN true
+RUN nice -20 apk update
+RUN nice -20 apk add openjdk21-jre openjdk17-jre openjdk11-jre
 RUN mkdir /app
 ADD entrypoint.sh /app/entrypoint.sh
 COPY --from=builder /builder/bin/rcon /usr/bin/rcon