Added docker support

Dockerfile

@@ -0,0 +1,36 @@
+FROM gradle:8.5.0-jdk17-alpine as builder
+
+WORKDIR /app
+
+COPY ./ /app/
+
+RUN gradle jar --no-daemon
+
+FROM bitnami/git:2.43.0-debian-11-r1 as data
+
+ARG DATA_REPOSITORY=https://gitlab.com/YuukiPS/GC-Resources.git
+ARG DATA_BRANCH=4.0
+
+WORKDIR /app
+
+RUN git clone --branch ${DATA_BRANCH} --depth 1 ${DATA_REPOSITORY}
+
+FROM bitnami/java:17.0.9-11
+
+RUN apt-get update && apt-get install unzip
+
+WORKDIR /app
+
+# Copy built assets
+COPY --from=builder /app/grasscutter-1.7.4.jar /app/grasscutter.jar
+COPY --from=builder /app/keystore.p12 /app/keystore.p12
+
+# Copy the resources
+COPY --from=data /app/GC-Resources/Resources /app/resources/
+
+# Copy startup files
+COPY ./entrypoint.sh /app/
+
+CMD [ "sh", "/app/entrypoint.sh" ]
+
+EXPOSE 80 443 8888 22102

docker-compose.yml

@@ -0,0 +1,30 @@
+version: "3.8"
+services:
+    grasscutter:
+        image: grasscutter:latest
+        build: .
+        ports:
+            - "80:80"
+            - "443:443"
+            - "8080:8080"
+            - "8888:8888"
+            - "22102:22102"
+        environment:
+            DATABASE_INFO_SERVER_CONNECTION_URI: "mongodb://lawnmower:grasscutter@database:27017"
+            DATABASE_INFO_SERVER_COLLECTION: grasscutter
+            DATABASE_INFO_GAME_CONNECTION_URI: "mongodb://lawnmower:grasscutter@database:27017"
+            DATABASE_INFO_GAME_COLLECTION: grasscutter
+
+        stdin_open: true
+
+    database:
+        image: mongo:7.0.4
+        environment:
+            MONGO_INITDB_ROOT_USERNAME: lawnmower
+            MONGO_INITDB_ROOT_PASSWORD: grasscutter
+            MONGO_INITDB_DATABASE: grasscutter
+        volumes:
+            - mongodata:/data/db
+
+volumes:
+    mongodata:

entrypoint.sh

@@ -0,0 +1,3 @@
+#/bin/sh
+
+java -jar /app/grasscutter.jar

src/main/java/emu/grasscutter/Grasscutter.java

@@ -77,8 +77,6 @@ public final class Grasscutter {
 
         // Load server configuration.
         Grasscutter.loadConfig();
-        // Attempt to update configuration.
-        ConfigContainer.updateConfig();
 
         Grasscutter.getLogger().info("Loading Grasscutter...");
 
@@ -238,22 +236,7 @@ public static void loadLanguage() {
     /** Attempts to load the configuration from a file. */
     public static void loadConfig() {
         // Check if config.json exists. If not, we generate a new config.
-        if (!configFile.exists()) {
-            getLogger().info("config.json could not be found. Generating a default configuration ...");
-            config = new ConfigContainer();
-            Grasscutter.saveConfig(config);
-            return;
-        }
-
-        // If the file already exists, we attempt to load it.
-        try {
-            config = JsonUtils.loadToClass(configFile.toPath(), ConfigContainer.class);
-        } catch (Exception exception) {
-            getLogger()
-                    .error(
-                            "There was an error while trying to load the configuration from config.json. Please make sure that there are no syntax errors. If you want to start with a default configuration, delete your existing config.json.");
-            System.exit(1);
-        }
+        config = new ConfigContainer();
     }
 
     /**