feat: added migrations

Containerfile.migrate

@@ -0,0 +1,51 @@
+ARG GOARCH=amd64
+ARG GOOS=linux
+ARG CGO_ENABLED=0
+ARG VERSION=1.0.0
+ARG BUILD_TIME=unknown
+
+# Stage 1: Build
+FROM docker.io/golang:1.24-alpine AS build
+
+ARG GOOS
+ARG GOARCH
+ARG CGO_ENABLED
+ARG VERSION
+ARG BUILD_TIME
+
+WORKDIR /src
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+
+RUN CGO_ENABLED=${CGO_ENABLED} \
+    GOOS=${GOOS} \
+    GOARCH=${GOARCH} \
+    go build -trimpath \
+    -ldflags="-s -w -X 'main.Version=${VERSION}' -X 'main.BuildTime=${BUILD_TIME}'" \
+    -o /bin/app ./cmd/migrate
+
+# Stage 2: Runtime
+FROM docker.io/alpine:3.22 AS runtime
+
+ARG VERSION
+ARG BUILD_TIME
+
+RUN addgroup -S app && adduser -S -G app app
+
+WORKDIR /app
+
+COPY --from=build /bin/app /app/bin
+
+RUN chown app:app /app/bin && chmod +x /app/bin
+
+USER app
+
+LABEL org.opencontainers.image.version=${VERSION}
+LABEL org.opencontainers.image.created=${BUILD_TIME}
+
+ENTRYPOINT ["/app/bin"]
+
+CMD [""]

Makefile

@@ -1,9 +1,10 @@
 # Go parameters
 GOCMD=go
-GOBUILD=$(GOCMD) build
+GOBUILD=$(GOCMD) build -trimpath -ldflags="-s -w" 
 GOTEST=$(GOCMD) test
 GODOWNLOAD=$(GOCMD) mod download
 BINARY_NAME=orderservice
+MIGRATE_BINARY_NAME=orderservice-migrate
 BINARY_DIR=bin
 
 # Protobuf parameters
@@ -12,7 +13,7 @@ PROTO_DIR=api/proto
 PROTO_FILE=$(PROTO_DIR)/order.proto
 PROTO_OUT=.
 
-.PHONY: install i generate gen protoc test build run lint fmt format clean help
+.PHONY: install i generate gen generate-gw test build run migrate lint fmt format clean help
 
 install:
 	$(GODOWNLOAD)
@@ -38,9 +39,21 @@ build:
 	$(GOBUILD) -o ./$(BINARY_DIR)/$(BINARY_NAME) ./cmd/server
 	chmod +x ./$(BINARY_DIR)/$(BINARY_NAME)
 
+build-migrate:
+	$(GOBUILD) -o ./$(BINARY_DIR)/$(MIGRATE_BINARY_NAME) ./cmd/migrate
+	chmod +x ./$(BINARY_DIR)/$(MIGRATE_BINARY_NAME)
+
 run: build
 	./$(BINARY_DIR)/$(BINARY_NAME)
 
+migrate: build-migrate
+	@cmd=$(word 2,$(MAKECMDGOALS)); \
+	if [ -z "$$cmd" ]; then \
+		echo "Usage: make migrate <command>"; \
+		exit 1; \
+	fi; \
+	./$(BINARY_DIR)/$(MIGRATE_BINARY_NAME) -cmd $$cmd
+
 lint:
 	golangci-lint run -c .golangci.yaml ./...
 
@@ -68,3 +81,6 @@ help:
 	@echo "  clean     - Clean build artifacts"
 
 .DEFAULT_GOAL := help
+
+%:
+	@:

cmd/migrate/main.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"database/sql"
+	"embed"
+	"errors"
+	"flag"
+	"log"
+
+	"orderservice/internal/config"
+
+	"github.com/golang-migrate/migrate/v4"
+	"github.com/golang-migrate/migrate/v4/database/postgres"
+	"github.com/golang-migrate/migrate/v4/source/iofs"
+)
+
+//go:embed migrations/*.sql
+var migrationsFS embed.FS
+
+func main() {
+	var cmd string
+
+	flag.StringVar(&cmd, "cmd", "up", "migration command: up|down|force|version")
+	flag.Parse()
+
+	cfg, err := config.Load()
+	if err != nil {
+		log.Fatalf("failed to load config: %v", err)
+	}
+
+	db, err := sql.Open("postgres", cfg.BuildPostgresDSN())
+	if err != nil {
+		log.Fatalf("open db: %v", err)
+	}
+	defer db.Close()
+
+	drv, err := postgres.WithInstance(db, &postgres.Config{})
+	if err != nil {
+		log.Printf("postgres driver: %v", err)
+		return
+	}
+
+	src, err := iofs.New(migrationsFS, "migrations")
+	if err != nil {
+		log.Printf("iofs source: %v", err)
+		return
+	}
+
+	m, err := migrate.NewWithInstance("iofs", src, "postgres", drv)
+	if err != nil {
+		log.Printf("migrate NewWithInstance: %v", err)
+		return
+	}
+
+	switch cmd {
+	case "up":
+		if err := m.Up(); err != nil && !errors.Is(err, migrate.ErrNoChange) {
+			log.Printf("m.Up failed: %v", err)
+			return
+		}
+		log.Println("migrations applied (up)")
+	case "down":
+		if err := m.Steps(-1); err != nil {
+			log.Printf("m.Steps(-1) failed: %v", err)
+			return
+		}
+		log.Println("stepped down 1 migration")
+	case "version":
+		v, dirty, verr := m.Version()
+		if verr != nil {
+			log.Printf("version: %v", verr)
+			return
+		}
+		log.Printf("version: %d dirty: %v\n", v, dirty)
+	default:
+		log.Printf("unknown cmd: %s", cmd)
+	}
+}

cmd/migrate/migrations/000001_create_orders_table.down.sql

@@ -0,0 +1 @@
+drop table if exists orders;

compose.yaml

@@ -6,6 +6,10 @@ services:
       context: .
       dockerfile: Containerfile
     depends_on:
+      migrate:
+        restart: false
+        condition: service_completed_successfully
+        required: true
       postgres:
         restart: false
         condition: service_healthy
@@ -35,6 +39,24 @@ services:
       - default
     restart: unless-stopped
     shm_size: 4mb
+  
+  migrate:
+    build:
+      context: .
+      dockerfile: Containerfile.migrate
+    depends_on:
+      postgres:
+        restart: false
+        condition: service_healthy
+        required: true
+    env_file:
+      - path: ./infrastructure/core/.env.template
+        required: true
+      - path: ./infrastructure/core/.env
+    networks:
+      - default
+    restart: no
+    shm_size: 4mb
 
   postgres:
     image: docker.io/postgres:17-alpine