feat: add db with migrations

build/migrate/Dockerfile

@@ -0,0 +1,23 @@
+FROM postgres:15.2-alpine as builder
+
+ENV VERSION v4.15.2
+WORKDIR /db
+
+RUN apk --no-cache add curl && \
+    curl -L https://github.com/golang-migrate/migrate/releases/download/$VERSION/migrate.linux-amd64.tar.gz \
+    | tar xvz
+
+COPY ./db/migrations ./migrations
+COPY ./db/seeds ./seeds
+COPY ./db/run-dev-migrations ./run-dev-migrations
+
+CMD ["./run-dev-migrations"]
+
+FROM alpine:3.17
+
+WORKDIR /db
+
+COPY --from=builder /db/migrate ./migrate
+COPY ./db/migrations ./migrations
+
+ENTRYPOINT ./migrate -path migrations -database "$DB_URL" up

cmd/grpc/main.go

@@ -13,11 +13,14 @@ func main() {
 	defer cancel()
 
 	shutdown.SetupGraceful(ctx, cancel)
+	server := grpc.Setup()
+	defer server.Shutdown(ctx)
+
 	log.Println("starting server...")
-	err := grpc.StartServer()
+	err := server.ListenAndServe()
 	if err != nil {
 		log.Fatalf("unable to start gRPC server: %v", err) //nolint:gocritic
 	}
 
-	<-ctx.Done() // wait for shutdown signal
+	<-ctx.Done() // Wait for shutdown signal.
 }

db/migrations/20230312144700_create-payrolls-table.up.sql

@@ -0,0 +1,28 @@
+begin;
+
+create table payrolls
+(
+    id        uuid not null,
+    tenant_id uuid not null,
+    payday    date not null
+);
+alter table payrolls
+    add constraint payrolls_pkey primary key (id);
+
+create table payslips
+(
+    id         uuid not null,
+    tenant_id  uuid not null,
+    payroll_id uuid not null,
+
+    gross_pay  int  not null default 0,
+    tax        int  not null default 0,
+    net_pay    int  not null default 0
+);
+alter table payslips
+    add constraint payslis_pkey primary key (id);
+alter table payslips
+    add constraint payslips_payrolls_fkey
+    foreign key (payroll_id) references payrolls(id);
+
+commit;

db/run-dev-migrations

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -e
+
+./migrate -path migrations -database "$DB_URL" up
+
+# Seeds
+psql "$DB_URL" -f seeds/payrolls.sql

docker-compose.yaml

@@ -4,7 +4,39 @@ services:
     build:
       dockerfile: ./build/grpc/Dockerfile
       target: dev
+    depends_on:
+      db:
+        condition: service_healthy
     ports:
       - "8000:8000"
     volumes:
       - ./:/src/
+
+  db:
+    image: "postgres:15.2-alpine"
+    environment:
+      POSTGRES_DB: payroll
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: secret123
+    healthcheck:
+      test: [ "CMD-SHELL", "pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}" ]
+      interval: 3s
+      timeout: 60s
+      retries: 10
+      start_period: 5s
+    ports:
+      - "5432:5432"
+
+  migrate:
+    build:
+      dockerfile: build/migrate/Dockerfile
+      target: builder
+    environment:
+      DB_URL: "postgres://postgres:secret123@db:5432/payroll?sslmode=disable"
+    depends_on:
+      db:
+        condition: service_healthy
+    volumes:
+      - ./db/migrations/:/db/migrations/
+      - ./db/seeds/:/db/seeds/
+      - ./db/run-dev-migrations:/db/run-dev-migrations

internal/grpc/grpc.go

@@ -10,22 +10,22 @@ import (
 	payrollv1 "github.com/antosdaniel/go-presentation-generate-code/internal/grpc/payroll/v1"
 	"github.com/antosdaniel/go-presentation-generate-code/internal/grpc/payroll/v1/payrollv1connect"
 	connect_go "github.com/bufbuild/connect-go"
-	"golang.org/x/net/http2"
-	"golang.org/x/net/http2/h2c"
 )
 
 var port = getOptionalEnv("PORT", "8000")
 
 const address = "0.0.0.0"
 
-func StartServer() error {
+func Setup() *http.Server {
 	mux := http.NewServeMux()
 	path, handler := payrollv1connect.NewPayrollServiceHandler(&payrollServiceServer{})
 	mux.Handle(path, handler)
-	return http.ListenAndServe( //nolint:gosec
-		fmt.Sprintf("%s:%s", address, port),
-		h2c.NewHandler(mux, &http2.Server{}),
-	)
+
+	addr := fmt.Sprintf("%s:%s", address, port)
+	return &http.Server{ //nolint:gosec
+		Addr:    addr,
+		Handler: handler,
+	}
 }
 
 type payrollServiceServer struct{}