From b84946c56435e2d94bfcc1b1f547fcbabdcdc259 Mon Sep 17 00:00:00 2001
From: Kai Moritz <kai@juplo.de>
Date: Wed, 18 Jan 2023 19:44:02 +0100
Subject: [PATCH] feat: Simplified Kafka-Setup (only one Broker with KRAFT)

---
 docker-compose.yml | 76 ++++------------------------------------------
 1 file changed, 6 insertions(+), 70 deletions(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index 3773f15f..ef1104ba 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,88 +1,24 @@
 version: '3.2'
 services:
-  kafka-0:
+  kafka:
     image: bitnami/kafka:3.3.1
     environment:
       KAFKA_ENABLE_KRAFT: 'yes'
       KAFKA_KRAFT_CLUSTER_ID: r7dMBY60T16TrNCGeXniLw
-      KAFKA_CFG_PROCESS_ROLES: controller
+      KAFKA_CFG_PROCESS_ROLES: broker, controller
       KAFKA_CFG_CONTROLLER_LISTENER_NAMES: CONTROLLER
-      KAFKA_CFG_LISTENERS: CONTROLLER://:9092
-      KAFKA_CFG_ADVERTISED_LISTENERS: " "
-      KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP: CONTROLLER:PLAINTEXT
-      KAFKA_BROKER_ID: 0
-      KAFKA_CFG_CONTROLLER_QUORUM_VOTERS: 0@kafka-0:9092
-      ALLOW_PLAINTEXT_LISTENER: 'yes'
-      KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
-      KAFKA_CFG_AUTO_CREATE_TOPICS_ENABLE: "false"
-
-  kafka-1:
-    image: bitnami/kafka:3.3.1
-    environment:
-      KAFKA_ENABLE_KRAFT: 'yes'
-      KAFKA_KRAFT_CLUSTER_ID: r7dMBY60T16TrNCGeXniLw
-      KAFKA_CFG_PROCESS_ROLES: broker
-      KAFKA_CFG_CONTROLLER_LISTENER_NAMES: CONTROLLER
-      KAFKA_CFG_LISTENERS: BROKER://:9092, LOCALHOST://:9081
+      KAFKA_CFG_LISTENERS: BROKER://:9092, CONTROLLER://:9093, LOCALHOST://:9082
       KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP: BROKER:PLAINTEXT, CONTROLLER:PLAINTEXT, LOCALHOST:PLAINTEXT
-      KAFKA_CFG_ADVERTISED_LISTENERS: BROKER://kafka-1:9092, LOCALHOST://localhost:9081
-      KAFKA_BROKER_ID: 1
-      KAFKA_CFG_CONTROLLER_QUORUM_VOTERS: 0@kafka-0:9092
-      ALLOW_PLAINTEXT_LISTENER: 'yes'
-      KAFKA_CFG_INTER_BROKER_LISTENER_NAME: BROKER
-      KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
-      KAFKA_CFG_AUTO_CREATE_TOPICS_ENABLE: "false"
-    ports:
-      - 9081:9081
-    depends_on:
-      - kafka-0
-
-  kafka-2:
-    image: bitnami/kafka:3.3.1
-    environment:
-      KAFKA_ENABLE_KRAFT: 'yes'
-      KAFKA_KRAFT_CLUSTER_ID: r7dMBY60T16TrNCGeXniLw
-      KAFKA_CFG_PROCESS_ROLES: broker
-      KAFKA_CFG_CONTROLLER_LISTENER_NAMES: CONTROLLER
-      KAFKA_CFG_LISTENERS: BROKER://:9092, LOCALHOST://:9082
-      KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP: BROKER:PLAINTEXT, CONTROLLER:PLAINTEXT, LOCALHOST:PLAINTEXT
-      KAFKA_CFG_ADVERTISED_LISTENERS: BROKER://kafka-2:9092, LOCALHOST://localhost:9082
+      KAFKA_CFG_ADVERTISED_LISTENERS: BROKER://kafka:9092, LOCALHOST://localhost:9082
       KAFKA_BROKER_ID: 2
-      KAFKA_CFG_CONTROLLER_QUORUM_VOTERS: 0@kafka-0:9092
+      KAFKA_CFG_CONTROLLER_QUORUM_VOTERS: 2@kafka:9093
       ALLOW_PLAINTEXT_LISTENER: 'yes'
       KAFKA_CFG_INTER_BROKER_LISTENER_NAME: BROKER
-      KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
+      KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
       KAFKA_CFG_AUTO_CREATE_TOPICS_ENABLE: "false"
     ports:
       - 9092:9082
       - 9082:9082
-    networks:
-      default:
-        aliases:
-          - kafka
-    depends_on:
-      - kafka-0
-
-  kafka-3:
-    image: bitnami/kafka:3.3.1
-    environment:
-      KAFKA_ENABLE_KRAFT: 'yes'
-      KAFKA_KRAFT_CLUSTER_ID: r7dMBY60T16TrNCGeXniLw
-      KAFKA_CFG_PROCESS_ROLES: broker
-      KAFKA_CFG_CONTROLLER_LISTENER_NAMES: CONTROLLER
-      KAFKA_CFG_LISTENERS: BROKER://:9092, LOCALHOST://:9083
-      KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP: BROKER:PLAINTEXT, CONTROLLER:PLAINTEXT, LOCALHOST:PLAINTEXT
-      KAFKA_CFG_ADVERTISED_LISTENERS: BROKER://kafka-3:9092, LOCALHOST://localhost:9083
-      KAFKA_BROKER_ID: 3
-      KAFKA_CFG_CONTROLLER_QUORUM_VOTERS: 0@kafka-0:9092
-      ALLOW_PLAINTEXT_LISTENER: 'yes'
-      KAFKA_CFG_INTER_BROKER_LISTENER_NAME: BROKER
-      KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
-      KAFKA_CFG_AUTO_CREATE_TOPICS_ENABLE: "false"
-    ports:
-      - 9083:9083
-    depends_on:
-      - kafka-0
 
   mongo:
     image: mongo:4.4.13
-- 
2.20.1