Initial setup

.github/workflows/build_and_test.yml

@@ -0,0 +1,47 @@
+name: Build and test on develop
+
+on:
+  pull_request:
+    branches:
+      - develop
+
+    paths:
+      - 'src/**'
+      - 'compose.yml'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.24
+
+      - name: Cache Go modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/go/pkg/mod
+            ~/.cache/go-build
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+
+      - name: Run test script
+        run: |
+          chmod +x ./run-tests.sh
+          ./run-tests.sh
+
+  build:
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Build service
+        run: docker compose build

README.md

@@ -1,2 +1,34 @@
-# user-service
-User microservice
+# Book'em user microservice
+
+![Go](https://img.shields.io/badge/go-%2300ADD8.svg?style=for-the-badge&logo=go&logoColor=white)
+![Postgres](https://img.shields.io/badge/postgres-%23316192.svg?style=for-the-badge&logo=postgresql&logoColor=white)
+![Docker](https://img.shields.io/badge/docker-%230db7ed.svg?style=for-the-badge&logo=docker&logoColor=white)
+![Bash Script](https://img.shields.io/badge/bash_script-%23121011.svg?style=for-the-badge&logo=gnu-bash&logoColor=white)
+
+# Getting started
+
+Build and run:
+
+```sh
+docker compose build
+docker compose up
+```
+
+Run tests locally:
+
+```
+./run-tests.sh
+```
+
+# Contributing guidelines
+
+1) Follow [Feature Branch Workflow](https://www.atlassian.com/git/tutorials/comparing-workflows/feature-branch-workflow)
+2) Use [conventional commits](https://www.conventionalcommits.org/en/v1.0.0/):
+    - `feat!:` changes major version
+    - `feat:` changes minor version
+    - `fix:` changes patch version
+    - Don't change major version until the service is useable
+
+# License
+
+This project uses the BSD 2-Clause License. See `LICENSE` for more info.

compose.yml

@@ -0,0 +1,34 @@
+services:
+  user-service:
+    container_name: bookem-user-service
+    image: magley/bookem-user-service
+    build: ./src
+    ports:
+      - "8080:8080"
+    environment:
+      DB_HOST: db
+      DB_PORT: 5432
+      DB_NAME: bookem_userdb_db
+      DB_USER: bookem_userdb_user
+      DB_PASSWORD: password123
+    depends_on:
+      - db
+
+  db:
+    image: postgres:alpine
+    restart: always
+    container_name: bookem-user-service-db
+    environment:
+      POSTGRES_DB: bookem_userdb_db
+      POSTGRES_USER: bookem_userdb_user
+      POSTGRES_PASSWORD: password123
+    volumes:
+      - type: volume
+        source: pgdata
+        target: /var/lib/postgresql/data
+    ports:
+      - "5432:5432"
+
+volumes:
+  pgdata:
+    name: bookem-user-service-db-volume

run-tests.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+set -euo pipefail
+
+echo "Running tests..."
+
+cd src
+go test -coverprofile=coverage.out ./...
+go tool cover -func=coverage.out
+
+echo "Linting..."
+
+go vet ./...
+
+echo "All checks passed!"

src/Dockerfile

@@ -0,0 +1,24 @@
+# Stage 1
+
+FROM golang:1.24-alpine as build
+WORKDIR /app
+
+COPY go.mod go.sum ./
+RUN --mount=type=cache,target=/go/pkg/mod/ \
+    --mount=type=bind,source=go.sum,target=go.sum \
+    --mount=type=bind,source=go.mod,target=go.mod \
+    go mod download -x
+
+COPY . ./
+RUN --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o user-service .
+
+# Stage 2
+
+FROM alpine:edge
+WORKDIR /app
+
+COPY --from=build /app/user-service .
+
+CMD ["/app/user-service"]

src/go.mod

@@ -0,0 +1,37 @@
+module bookem-user-service
+
+go 1.24.5
+
+require (
+	github.com/gin-gonic/gin v1.10.1
+	github.com/lib/pq v1.10.9
+)
+
+require (
+	github.com/bytedance/sonic v1.11.6 // indirect
+	github.com/bytedance/sonic/loader v0.1.1 // indirect
+	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.20.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.12 // indirect
+	golang.org/x/arch v0.8.0 // indirect
+	golang.org/x/crypto v0.23.0 // indirect
+	golang.org/x/net v0.25.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
+	golang.org/x/text v0.15.0 // indirect
+	google.golang.org/protobuf v1.34.1 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

src/go.sum

@@ -0,0 +1,91 @@
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src/main.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+
+	_ "github.com/lib/pq"
+
+	"github.com/gin-gonic/gin"
+)
+
+func Add(a int, b int) int {
+	return a + b
+}
+
+var DB *sql.DB
+
+func connectToDb() {
+	host := os.Getenv("DB_HOST")
+	port := os.Getenv("DB_PORT")
+	user := os.Getenv("DB_USER")
+	password := os.Getenv("DB_PASSWORD")
+	dbname := os.Getenv("DB_NAME")
+
+	DB_URL := fmt.Sprintf(
+		"host=%s port=%s user=%s password=%s dbname=%s sslmode=disable",
+		host, port, user, password, dbname,
+	)
+
+	db, err := sql.Open("postgres", DB_URL)
+	if err != nil {
+		log.Fatalf("Failed to open DB: %v", err)
+	}
+
+	DB = db
+
+	log.Printf("Connected to DB!")
+}
+
+func main() {
+	connectToDb()
+	defer DB.Close()
+
+	r := gin.Default()
+	r.GET("/ping", func(c *gin.Context) {
+		err := DB.Ping()
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"message": err.Error()})
+			return
+		}
+
+		c.JSON(http.StatusOK, gin.H{"message": "Pong"})
+	})
+
+	r.Run()
+}

src/main_test.go

@@ -0,0 +1,12 @@
+package main
+
+import "testing"
+
+func TestAdd(t *testing.T) {
+	result := Add(1, 2)
+	expected := 3
+
+	if result != expected {
+		t.Errorf("Add(2, 3) = %d; want %d", result, expected)
+	}
+}