go-micro

microservices in golang

go -micro udemy go courses

stop nginx sudo systemctl stop nginx ~/Downloads/project/go-micro/front-end$ sudo go run ./cmd/web

~/Downloads/project/go-micro/broker-service$ go mod init broker

~/Downloads/project/go-micro/broker-service$ mkdir -p cmd/api

~/Downloads/project/go-micro/broker-service$ touch cmd/api/main.go

jubin@jubin-HP-Pavilion-Notebook:/Downloads/project/go-micro/broker-service$ go get github.com/go-chi/chi/v5 go: downloading github.com/go-chi/chi/v5 v5.1.0 go: downloading github.com/go-chi/chi v1.5.5 go: added github.com/go-chi/chi/v5 v5.1.0 jubin@jubin-HP-Pavilion-Notebook:/Downloads/project/go-micro/broker-service$ go get github.com/go-chi/chi/v5/middleware jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/broker-service$ go get github.com/go-chi/cors go: downloading github.com/go-chi/cors v1.2.1 go: added github.com/go-chi/cors v1.2.1

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/broker-service$ go get github.com/go-chi/chi/middleware

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ touch broker-service/cmd/api/routes.go jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ touch broker-service/cmd/api/handlers.go

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/broker-service$ sudo go run ./cmd/api

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro$ touch broker-service/broker-service.dockerfile

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro$ touch project/docker-compose.yml

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/project$ sudo systemctl start docker.service

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/project$ sudo apt install docker-compose

Imp debugging docker containers

cd ~/Downloads/project/go-micro/project sudo systemctl status docker.service # if stopped then strart it by running below command sudo systemctl start docker.service docker-compose build --no-cache #this will echo build failure logs on shell docker-compose up -d

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/project$ docker-compose build --no-cache => ERROR [builder 5/6] RUN CGO_ENABLED=0 go build -o brokerApp ./cmd/api 3.2s

[builder 5/6] RUN CGO_ENABLED=0 go build -o brokerApp ./cmd/api: 1.585 go: errors parsing go.mod: 1.585 /app/go.mod:3: invalid go version '1.22.6': must match format 1.23

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/project$ vi ./../broker-service/broker-service.dockerfile

#FROM golang:1.18-alpine as builder FROM golang:1.22.6-alpine3.20 as builder

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/project$ docker-compose build --no-cache

if no error then

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/project$ docker-compose up -d

jubin@jubin-HP-Pavilion-Notebook:/Downloads/project/go-micro/project$ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 15f403bb9028 project_broker-service "/app/brokerApp" 12 seconds ago Up 9 seconds 0.0.0.0:8080->80/tcp, [::]:8080->80/tcp project_broker-service_1 jubin@jubin-HP-Pavilion-Notebook:/Downloads/project/go-micro/project$ docker image ls REPOSITORY TAG IMAGE ID CREATED SIZE project_broker-service latest a05bab560503 3 minutes ago 16.3MB

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/front-end$ sudo go run ./cmd/web/ go to localhost:80 then hit test broker button

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ touch project/Makefile jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/project$ docker-compose down jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/project$ make stop

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/project$ make up_build jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/project$ make down

================================================= 3rd section

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ mkdir authentication-service jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ cd authentication-service jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/authentication-service$ go mod init authentication

go: creating new go.mod: module authentication

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/authentication-service$ mkdir -p cmd/api

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ mkdir authentication-service/data jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ touch authentication-service/data/models.go

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro$ touch authentication-service/cmd/api/routes.go

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/authentication-service$ go get github.com/go-chi/chi/v5 jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/authentication-service$ go get github.com/go-chi/chi/v5/middleware jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/authentication-service$ go get github.com/go-chi/cors

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/authentication-service$ go get github.com/jackc/pgconn

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/authentication-service$ go get github.com/jackc/pgx/v4

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/authentication-service$ go get github.com/jackc/pgx/v4/stdlib

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro$ mkdir -p project/db-data/postgres

cd ~/Downloads/project/go-micro/project make up_build make down make up sudo make start # to start FE

docker logs -f --since=1h <container_id> docker logs --since=1h 58fd0d798d82 # to see logs docker logs -f --since=1h 58fd0d798d82 # to tail logs

go to container postgres

docker exec -it 011aae678dbf bash root@011aae678dbf:/# psql -U postgres postgres-# \l # list all databases postgres-# CREATE DATABASE mytest; postgres-# \q

from machine shell

docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 011aae678dbf postgres:14.0 "docker-entrypoint.s…" 10 minutes ago Up 10 minutes 0.0.0.0:5432->5432/tcp, :::5432->5432/tcp project_postgres_1

psql -h 127.0.0.1 -p 5432 -U postgres # password can be seen from project/docker-compose.yml

copy helpers.go from broker-service to authentication-service

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro$ touch authentication-service/cmd/api/handlers.go

4th section

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ mkdir logger-service jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ cd logger-service jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/logger-service$ go mod init log-service

go: creating new go.mod: module log

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/logger-service$ mkdir -p cmd/api

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro$ mkdir logger-service/data

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/logger-service$ go get go.mongodb.org/mongo-driver/mongo

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/logger-service$ go get go.mongodb.org/mongo-driver/mongo/options

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/logger-service$ go get github.com/go-chi/chi/v5 jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/logger-service$ go get github.com/go-chi/chi/v5/middleware jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/logger-service$ go get github.com/go-chi/cors

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ touch logger-service/cmd/api/routes.go jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ touch logger-service/cmd/api/handlers.go jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro$ touch logger-service/cmd/api/helpers.go

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro$ touch logger-service/logger-service.dockerfile

5th section

we explore 3 ways of communicating between microservices

http POST request
rabbitmq producer-consumer via AMQP
RPC
gRPC

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ mkdir mail-service cd mail-service jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/mail-service$ go mod init mailer

go: creating new go.mod: module log

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/mail-service$ mkdir -p cmd/api jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/mail-service/cmd/api$ cp ../../../broker-service/cmd/api/main.go . jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/mail-service/cmd/api$ cp ../../../broker-service/cmd/api/helpers.go . jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/mail-service/cmd/api$ cp ../../../broker-service/cmd/api/routes.go .

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/mail-service$ go get github.com/go-chi/chi/v5 jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/mail-service$ go get github.com/go-chi/chi/v5/middleware jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/mail-service$ go get github.com/go-chi/cors

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/mail-service$ go get github.com/vanng822/go-premailer/premailer

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/mail-service$ go get github.com/xhit/go-simple-mail/v2 jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/project$ make up_build

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ mkdir listner-service jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro$ cd listner-service/ jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/listner-service$ go mod init listener go: creating new go.mod: module listener jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/listner-service$ go get github.com/rabbitmq/amqp091-go go: added github.com/rabbitmq/amqp091-go v1.10.0

add rabbitmq in project/docker-compose.yml

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/project$ docker-compose up -d

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/listner-service$ go run main.go

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/listner-service$ go run .

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/broker-service$ go get github.com/rabbitmq/amqp091-go

jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/project$ make up_build jubin@jubin-HP-Pavilion-Notebook:~~/Downloads/project/go-micro/project$ make stop jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/project$ sudo make start

check weather rabbitmq is up and running docker ps -a | grep rabbit # copy container id from here and use below docker logs -f --since=1h <container_id> # to tail logs

should get below log

2024-11-03 17:49:34.089954+00:00 [info] <0.754.0> accepting AMQP connection <0.754.0> (172.18.0.6:45374 -> 172.18.0.8:5672)

check weather broker service is up and running docker ps -a | grep broker # copy container id from here and use below docker logs -f --since=1h <container_id> # to tail logs

should get below log

2024/11/03 17:49:33 Starting broker service on port 80

8th section

install grpc packages cd ~/Downloads/project/go-micro/project go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.27

go: downloading google.golang.org/protobuf v1.27.1

go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.2

go: downloading google.golang.org/grpc v1.2.1

go: downloading google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.2.0

mkdir logger-service/logs touch logger-service/logs/logs.proto

grpc installation : https://grpc.io/docs/protoc-installation/

cd ~/Downloads wget https://github.com/protocolbuffers/protobuf/releases/download/v29.0-rc2/protoc-29.0-rc-2-linux-x86_64.zip unzip protoc-29.0-rc-2-linux-x86_64.zip cp bin/protoc ~/go/bin/ which protoc

/home/jubin/go/bin/protoc # this means it is correctly copied

protoc --version

libprotoc 29.0-rc2 # this means protoc is correctly installed

cd ~/Downloads/project/go-micro/logger-service/logs protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative logs.proto

cd ~/Downloads/project/go-micro/logger-service touch cmd/api/grpc.go

go get google.golang.org/grpc

go: downloading google.golang.org/grpc v1.67.1

go: downloading golang.org/x/net v0.28.0

go: downloading google.golang.org/protobuf v1.34.2

go: downloading golang.org/x/sys v0.24.0

go: downloading google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142

go: upgraded golang.org/x/net v0.21.0 => v0.28.0

go: upgraded golang.org/x/sys v0.23.0 => v0.24.0

go: added google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142

go: added google.golang.org/grpc v1.67.1

go: added google.golang.org/protobuf v1.34.2

go get google.golang.org/protobuf

go: downloading google.golang.org/protobuf v1.35.1

go: upgraded google.golang.org/protobuf v1.34.2 => v1.35.1

cd ~/Downloads/project/go-micro mkdir broker-service/logs touch broker-service/logs/logs.proto

cd ~/Downloads/project/go-micro/broker-service/logs protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative logs.proto

cd ~/Downloads/project/go-micro/broker-service go get google.golang.org/grpc

go: added golang.org/x/net v0.28.0

go: added golang.org/x/sys v0.24.0

go: added golang.org/x/text v0.17.0

go: added google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142

go: added google.golang.org/grpc v1.67.1

go: added google.golang.org/protobuf v1.34.2

Name		Name	Last commit message	Last commit date
Latest commit History 10 Commits
authentication-service		authentication-service
broker-service		broker-service
front-end		front-end
listener-service		listener-service
logger-service		logger-service
mail-service		mail-service
project		project
README.md		README.md

Folders and files

Latest commit

History

Repository files navigation

go-micro

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro/project$ docker-compose build --no-cache => ERROR [builder 5/6] RUN CGO_ENABLED=0 go build -o brokerApp ./cmd/api 3.2s

if no error then

go: creating new go.mod: module authentication

jubin@jubin-HP-Pavilion-Notebook:~/Downloads/project/go-micro$ touch authentication-service/cmd/api/handlers.go

go: creating new go.mod: module log

go: creating new go.mod: module log

add rabbitmq in project/docker-compose.yml

should get below log

should get below log

go: downloading google.golang.org/protobuf v1.27.1

go: downloading google.golang.org/grpc v1.2.1

go: downloading google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.2.0

/home/jubin/go/bin/protoc # this means it is correctly copied

libprotoc 29.0-rc2 # this means protoc is correctly installed

go: downloading google.golang.org/grpc v1.67.1

go: downloading golang.org/x/net v0.28.0

go: downloading google.golang.org/protobuf v1.34.2

go: downloading golang.org/x/sys v0.24.0

go: downloading google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142

go: upgraded golang.org/x/net v0.21.0 => v0.28.0

go: upgraded golang.org/x/sys v0.23.0 => v0.24.0

go: added google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142

go: added google.golang.org/grpc v1.67.1

go: added google.golang.org/protobuf v1.34.2

go: downloading google.golang.org/protobuf v1.35.1

go: upgraded google.golang.org/protobuf v1.34.2 => v1.35.1

go: added golang.org/x/net v0.28.0

go: added golang.org/x/sys v0.24.0

go: added golang.org/x/text v0.17.0

go: added google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142

go: added google.golang.org/grpc v1.67.1

go: added google.golang.org/protobuf v1.34.2

About

Resources

Uh oh!

Stars

Watchers

Forks

Releases

Packages 0

Uh oh!

Uh oh!

Contributors

Uh oh!

Languages

Packages