recover from missing tty

Dockerfile

@@ -1,7 +1,8 @@
 FROM maven AS build
 WORKDIR /app
 COPY . .
-RUN maven -f pom.xml clean package
+RUN mvn -f pom.xml clean assembly:assembly
 
-FROM openjdk:18-jre-slim
+FROM gcr.io/distroless/java17
-COPY --from=build /app/target/1.0.0
+COPY --from=build /app/target/KilluaBot-1.0.0-jar-with-dependencies.jar /app/KilluaBot.jar
+ENTRYPOINT ["java", "-jar", "/app/KilluaBot.jar"]

pom.xml

@@ -9,8 +9,8 @@
     <version>1.0.0</version>
 
     <properties>
-        <maven.compiler.source>14</maven.compiler.source>
+        <maven.compiler.source>18</maven.compiler.source>
-        <maven.compiler.target>14</maven.compiler.target>
+        <maven.compiler.target>17</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 

run.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+docker run -e "BOT_TOKEN=LOL" -e "KILLUA_JSON_PATH=/app/trivia_questions.json" \
+  -v "$(pwd)/trivia_questions.json:/app/trivia_questions.json" \
+  --name killua-bot killua-bot:1.0

src/main/java/com/github/nilstrieb/core/Main.java

@@ -42,35 +42,44 @@ public class Main {
         Config.setJda(jda);
 
         Thread t = new Thread(() -> {
-            Scanner scanner = new Scanner(System.in);
+            try {
-            String line = scanner.nextLine();
+                interactivePrompt(jda);
-            while (!line.equals("exit") && !line.equals("quit")) {
+            } catch (Exception e) {
-                if (line.startsWith("send")) {
+                e.printStackTrace();
-                    System.out.println("GuildID");
+                System.err.println("Interactive mode failed, presumably no TTY attached. Ignoring interactive mode...");
-                    line = scanner.nextLine();
-                    Guild guild = jda.getGuildById(line);
-                    if (guild != null) {
-                        System.out.println("TextChannelID");
-                        line = scanner.nextLine();
-                        TextChannel textChannel = guild.getTextChannelById(line);
-                        if (textChannel != null) {
-                            System.out.println("Message");
-                            line = scanner.nextLine();
-                            if (!line.equals("")) {
-                                textChannel.sendMessage(line).queue();
-                            }
-                        }
-                    }
-                } else if (line.startsWith("version") || line.startsWith("v")) {
-                    System.out.println(Config.VERSION);
-                }
-                line = scanner.nextLine();
             }
-            System.exit(0);
         });
         t.start();
     }
 
+    private static void interactivePrompt(JDA jda) {
+        Scanner scanner = new Scanner(System.in);
+        String line = scanner.nextLine();
+        while (!line.equals("exit") && !line.equals("quit")) {
+            if (line.startsWith("send")) {
+                System.out.println("GuildID");
+                line = scanner.nextLine();
+                Guild guild = jda.getGuildById(line);
+                if (guild != null) {
+                    System.out.println("TextChannelID");
+                    line = scanner.nextLine();
+                    TextChannel textChannel = guild.getTextChannelById(line);
+                    if (textChannel != null) {
+                        System.out.println("Message");
+                        line = scanner.nextLine();
+                        if (!line.equals("")) {
+                            textChannel.sendMessage(line).queue();
+                        }
+                    }
+                }
+            } else if (line.startsWith("version") || line.startsWith("v")) {
+                System.out.println(Config.VERSION);
+            }
+            line = scanner.nextLine();
+        }
+        System.exit(0);
+    }
+
     private static void setupCommands() {
         new HelpCommand();
         new EvalCommand();