Go ワークスペースを備えた Golang マイクロサービス モジュラー アーキテクチャ

mkdir docker

touch docker/Dockerfile.authentication

touch docker/Dockerfile.users

mkdir -p services/authentication

mkdir -p services/users

mkdir -p shared/utils

touch docker-compose.yml

cd services/authentication && go mod init github.com/LegationPro/ms/services/authentication

cd ../.. && cd services/users && go mod init github.com/LegationPro/ms/services/users

cd ../.. && cd shared && go mod init github.com/LegationPro/ms/shared

go 1.23.1

use (
    ./services/authentication
    ./services/users
    ./shared
)

services:
  authentication:
    build:
      context: .
      dockerfile: docker/Dockerfile.authentication
    volumes:
      - ./services/authentication:/app/authentication
      - ./shared:/app/shared
    ports:
      - "8081:8081"

  users:
    build:
      context: .
      dockerfile: docker/Dockerfile.users
    volumes:
      - ./services/users:/app/users
      - ./shared:/app/shared
    ports:
      - "8082:8082"

# Pull golang image
FROM golang:1.23-alpine

# Switch to /app as the working directory
WORKDIR /app

# Copy the authentication codebase over to our container
COPY ./services/authentication /app/authentication/

# Copy the shared codebase and libraries that are shared across our apps inside the container
COPY ./shared /app/shared

# Initialize go workspace inside of our container
RUN go work init

# Assign different codebases to go workspaces
RUN go work use ./authentication ./shared

# Simply run our service with this simple command
CMD ["go", "run", "./authentication"]

# Pull golang image
FROM golang:1.23-alpine

# Switch to /app as the working directory
WORKDIR /app

# Copy the authentication codebase over to our container
COPY ./services/users /app/users/

# Copy the shared codebase and libraries that are shared across our apps inside the container
COPY ./shared /app/shared

# Initialize go workspace inside of our container
RUN go work init

# Assign different codebases to go workspaces
RUN go work use ./users ./shared

# Simply run our service with this simple command
CMD ["go", "run", "./users"]

package main

import (
    "fmt"

    "github.com/LegationPro/ms/shared/utils"
)

func main() {
    fmt.Println(utils.SomeAuthFunc())
}

package main

import (
    "fmt"

    "github.com/LegationPro/ms/shared/utils"
)

func main() {
    fmt.Println(utils.SomeUserFunc())
}

package utils

func SomeAuthFunc() string {
    return "Some auth func"
}

func SomeUserFunc() string {
    return "Some user func"
}