feat: add game initialization to backend container

docker/Dockerfile.application

@@ -12,12 +12,14 @@ RUN --mount=type=cache,target=$MAVEN_HOME/.m2,uid=$BUILD_UID \
 FROM openjdk:7u211-jre-alpine AS backend
 RUN <<EOF
 	set -e
-	mkdir -p /app
-	chown 1000 /app
+	mkdir -p /app/state
+	chown -R 1000 /app/state
 EOF
 COPY --from=build /src/legacyworlds-server/legacyworlds-server-main/target/*.jar /app/server.jar
 COPY --from=build /src/legacyworlds-server/legacyworlds-server-main/target/lib /app/lib
+COPY --from=build /src/legacyworlds-server/legacyworlds-server-main/data /app/data
 ADD docker/backend-entrypoint.sh /app/entrypoint.sh
+VOLUME /app/state
 ENTRYPOINT ["/app/entrypoint.sh"]
 CMD ["server"]
 

docker/backend-entrypoint.sh

@@ -1,5 +1,23 @@
 #!/bin/sh
 
+
+# Function used to run initialization commands.
+run_init_command() {
+	local stage="$1"
+	shift
+	if ! [ -f state/init-$stage ]; then
+		echo "Running initialization stage $stage"
+		echo " --> $@"
+		if /app/entrypoint.sh tool "$*"
+		then
+			touch state/init-$stage
+		else
+			exit 1
+		fi
+	fi
+}
+
+
 cd /app
 
 if ! [ -z "$LW_CONFIGURE" ]; then
@@ -26,6 +44,9 @@ fi
 cmd="$1"
 shift
 if [ "$cmd" == server ]; then
+	run_init_command import-text ImportText data/i18n-text.xml
+	run_init_command import-techs ImportTechs data/techs.xml
+	run_init_command import-buildables ImportBuildables data/buildables.xml
 	exec /usr/bin/java \
 		-Dlog4j.configuration=log4j.properties \
 		-jar server.jar
@@ -33,8 +54,9 @@ elif [ "$cmd" == shell ]; then
 	exec /bin/sh
 elif [ "$cmd" == tool ]; then
 	exec /usr/bin/java \
-		-jar legacyworlds-server-main-*.jar \
-		--run-tool "$*"
+		-Dlog4j.configuration=log4j.properties \
+		-jar server.jar \
+		--run-tool "$@"
 else
 	echo "Invalid command '$cmd'" >&2
 	exit 1

docker/compose.yml

@@ -25,6 +25,8 @@ services:
       dockerfile: docker/Dockerfile.application
       target: backend
     restart: always
+    volumes:
+      - init-state:/app/state
     environment:
       LW_CONFIGURE: 1
       LW_DB_HOST: db
@@ -54,6 +56,7 @@ services:
 
 volumes:
   database:
+  init-state:
 
 secrets:
   db_password: