Add Dockerfile and docker compose config

Dockerfile

@@ -1,16 +1,28 @@
-# build image
+############################################################
+# Build image
+############################################################
 FROM golang:1.15-alpine as builder
 RUN apk update && apk add --no-cache git ca-certificates && update-ca-certificates
 
 WORKDIR /app
+
+COPY go.mod .
+COPY go.sum .
+RUN go mod download
+
 COPY . .
 
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -installsuffix cgo -o /go/bin/kafka-minion
+RUN CGO_ENABLED=0 go build -o ./bin/kminion
 
-# executable image
+############################################################
+# Runtime Image
+############################################################
 FROM alpine:3
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
-COPY --from=builder /go/bin/kafka-minion /go/bin/kafka-minion
+COPY --from=builder /app/bin/kminion /app/kminion
+
+# Embed env vars in final image as well (so the backend can read them)
+ARG KMINION_VERSION
+ENV KMINION_VERSION ${KMINION_VERSION}
 
-ENV VERSION 1.0.2
-ENTRYPOINT ["/go/bin/kafka-minion"]
+ENTRYPOINT ["/app/kminion"]

docker-compose.yml

@@ -1,54 +1,47 @@
-version: "2.1"
+---
+version: '2.1'
 
 services:
-  kafkahq:
-    image: tchiotludo/kafkahq:0.8.0
-    environment:
-      MICRONAUT_APPLICATION_JSON: |
-        {
-          "kafkahq": {
-            "connections": {
-              "docker-kafka-server": {
-                  "properties": {
-                    "bootstrap.servers": "kafka1:19092"
-                  }
-              }
-            }
-          }
-        }
-    ports:
-      - 8080:8080
-    links:
-      - kafka1
 
-  zoo1:
-    image: zookeeper:3.4.9
-    hostname: zoo1
+  zookeeper:
+    image: confluentinc/cp-zookeeper:latest
     ports:
-      - "2181:2181"
+      - 2181:2181
     environment:
-      ZOO_MY_ID: 1
-      ZOO_PORT: 2181
-      ZOO_SERVERS: server.1=zoo1:2888:3888
-    volumes:
-      - ./zk-single-kafka-single/zoo1/data:/data
-      - ./zk-single-kafka-single/zoo1/datalog:/datalog
+      ZOOKEEPER_CLIENT_PORT: 2181
+      ZOOKEEPER_TICK_TIME: 2000
+    container_name: zookeeper
+    hostname: zookeeper
 
-  kafka1:
-    image: confluentinc/cp-kafka:5.1.2
-    hostname: kafka1
+  kafka:
+    image: confluentinc/cp-kafka:latest
+    hostname: kafka
+    container_name: kafka
+    depends_on:
+      - zookeeper
     ports:
-      - "9092:9092"
+      - 9092:9092
     environment:
-      KAFKA_ADVERTISED_LISTENERS: LISTENER_DOCKER_INTERNAL://kafka1:19092,LISTENER_DOCKER_EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:9092
-      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: LISTENER_DOCKER_INTERNAL:PLAINTEXT,LISTENER_DOCKER_EXTERNAL:PLAINTEXT
-      KAFKA_INTER_BROKER_LISTENER_NAME: LISTENER_DOCKER_INTERNAL
-      KAFKA_ZOOKEEPER_CONNECT: "zoo1:2181"
       KAFKA_BROKER_ID: 1
-      KAFKA_LOG4J_LOGGERS: "kafka.controller=INFO,kafka.producer.async.DefaultEventHandler=INFO,state.change.logger=INFO"
+      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
+      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
+      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
+      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
       KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
-      KAFKA_DELETE_TOPIC_ENABLE: "true"
-    volumes:
-      - ./zk-single-kafka-single/kafka1/data:/var/lib/kafka/data
+      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
+      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
+
+  kafka-minion:
+    build:
+      context: .
+      dockerfile: ./Dockerfile
+    hostname: kafka-minion
+    container_name: kafka-minion
     depends_on:
-      - zoo1
+      - zookeeper
+      - kafka
+    ports:
+      - 8080:8080
+    environment:
+      KAFKA_BROKERS: kafka:29092
+    restart: unless-stopped