update makefile and docker file for listener

listener-service/listener-service.dockerfile

@@ -0,0 +1,8 @@
+FROM alpine:latest
+
+RUN mkdir /app
+
+COPY listenerApp /app
+
+CMD ["/app/listenerApp"]
+

listener-service/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"listener/event"
 	"log"
 	"math"
 	"os"
@@ -21,10 +22,19 @@ func main() {
 	log.Println("Connected to RabbitMQ")
 
 	// start listening for messages
-
+	log.Println("Listening for and consuming RabbitMQ messages...")
 	// create consumer
 
+	consumer, err := event.NewConsumer(rabbitConn)
+	if err != nil {
+		log.Panic(err)
+	}
+
 	// watch the queue and consume events
+	err = consumer.Listen([]string{"log.INFO", "log.WARNING", "log.ERROR"})
+	if err != nil {
+		log.Println(err)
+	}
 }
 
 func connect() (*amqp.Connection, error) {
@@ -33,7 +43,7 @@ func connect() (*amqp.Connection, error) {
 
 	// don't continue until rabbit is ready
 	for {
-		c, err := amqp.Dial("amqp://guest:guest@localhost") // XXX: credentials
+		c, err := amqp.Dial("amqp://guest:guest@rabbitmq") // XXX: credentials
 		if err != nil {
 			fmt.Println("RabbitMQ not yet ready...")
 			counts++

project/Makefile

@@ -3,6 +3,7 @@ BROKER_BINARY=brokerApp
 AUTH_BINARY=authApp
 LOGGER_BINARY=loggerApp
 MAIL_BINARY=mailApp
+LISTENER_BINARY=listenerApp
 
 ## up: starts all containers in the background without forcing build
 up:
@@ -11,7 +12,7 @@ up:
 	@echo "Docker images started!"
 
 ## up_build: stops docker-compose (if running), builds all projects and starts docker compose
-up_build: build_broker build_auth build_logger build_mail
+up_build: build_broker build_auth build_logger build_mail build_listener
 	@echo "Stopping docker images (if running...)"
 	docker compose down
 	@echo "Building (when required) and starting docker images..."
@@ -48,6 +49,12 @@ build_mail:
 	cd ../mail-service && env GOOS=linux CGO_ENABLED=0 go build -o ${MAIL_BINARY} ./cmd/api
 	@echo "Done!"
 
+## build_listener: builds the listener binary as a linux executable
+build_listener:
+	@echo "Building listener binary..."
+	cd ../listener-service && env GOOS=linux CGO_ENABLED=0 go build -o ${LISTENER_BINARY} .
+	@echo "Done!"
+
 ## build_front: builds the frone end binary
 build_front:
 	@echo "Building front end binary..."

project/docker-compose.yml

@@ -50,6 +50,15 @@ services:
       FROM_ADDR: me@here.com
 
 
+  listener-service:
+    build:
+      context: ./../listener-service/
+      dockerfile: ./../listener-service/listener-service.dockerfile
+    restart: always
+    deploy:
+      mode: replicated
+      replicas: 1
+
   postgres:
     image: postgres:16.4-alpine
     ports: