fix: ensure graceful shutdown by forwarding SIGTERM (#100)

Author: Djaytan

src/main/docker/Dockerfile

@@ -101,7 +101,6 @@ USER daemon:root
 # Minecraft port.
 EXPOSE 25565
 
-# TODO: Pre-launch server to pre-download Mojang's server jar for quick startup
 ENTRYPOINT ["./start.sh"]
 
 # TODO: healthcheck

src/main/docker/docker-bake.hcl

@@ -26,8 +26,6 @@ variable "IMAGE_VERSION" {
   default = "0.0.0"
 }
 
-# TODO: customizable annotations (url, documentation, source, authors, vendor, ...)
-
 # ========== FUNCTIONS ========== #
 
 function "tag" {

src/main/docker/runtime/start.sh

@@ -70,5 +70,4 @@ echo 'File eula.txt processed'
 
 echo 'PaperMC server ready to start!'
 
-# TODO: ensure that the server replace PID 1 instead of spawning a child process (exec command)
-java $JVM_ARGUMENTS -jar "${SCRIPT_DIR}"/papermc-server-*.jar $SERVER_ARGS
+exec java $JVM_ARGUMENTS -jar "${SCRIPT_DIR}"/papermc-server-*.jar $SERVER_ARGS