add Dockerfile and docker-compose.yml; update makefile for Docker integration

Dockerfile

@@ -0,0 +1,17 @@
+# Builder stage
+FROM golang:1.24-alpine AS builder
+
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN go build -ldflags="-s -w" -o ./bin/web ./cmd/main.go
+
+# Runner stage
+FROM alpine:3.21
+WORKDIR /app
+COPY .env .
+COPY --from=builder /app/bin/web /app/bin/web
+RUN apk add --no-cache ca-certificates
+EXPOSE ${PORT}
+CMD ["/app/bin/web"]

docker-compose.yml

@@ -1,3 +1,5 @@
+version: '3.9'
+
 services:
   postgres:
     image: postgres:16-alpine
@@ -14,6 +16,7 @@ services:
       interval: 5s
       timeout: 3s
       retries: 5
+
   migrate:
     image: migrate/migrate
     volumes:
@@ -32,6 +35,21 @@ services:
     networks:
       - app
 
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - ${PORT}:8080
+    environment:
+      - DB_URL=postgresql://root:secret@postgres:5432/gh?sslmode=disable
+    depends_on:
+      migrate:
+        condition: service_completed_successfully
+    networks:
+      - app
+    command: ["/app/bin/web"]
+
 networks:
   app:
-    driver: bridge
+    driver: bridge

makefile

@@ -1,41 +1,53 @@
 include .env
 .PHONY: test
 test:
-	@go test  ./app
+	@docker compose exec app go test ./app
+
 .PHONY: coverage
 coverage:
 	@mkdir -p coverage
-	@go test  -coverprofile=coverage.out ./internal/...
-	@go tool cover -func=coverage.out -o coverage/coverage.txt
+	@docker compose exec app go test -coverprofile=coverage.out ./internal/...
+	@docker compose exec app go tool cover -func=coverage.out -o coverage/coverage.txt
+
 .PHONY: build
 build:
-	@go build -ldflags="-s" -o ./bin/web ./
+	@docker compose build app
+
 .PHONY: run
 run:
-	@echo "Running Go application"
-	@go run ./cmd/main.go
+	@docker compose up -d
+
+.PHONY: stop
+stop:
+	@docker compose down
+
 .PHONY: air
 air:
-	@echo "Running air"
+	@echo "Running air locally (not in Docker)"
 	@air -c .air.toml
-.PHONY: migrations/up
+
+.PHONY: migrations/new
 migrations/new:
 	@echo 'Creating migration files for DB_URL'
 	@migrate create -seq -ext=.sql -dir=./db/migrations $(name)
+
 .PHONY: migrations/up
 migrations/up:
 	@echo 'Running up migrations...'
-	@migrate -path ./db/migrations -database $(DB_URL) up
+	@docker compose up migrate
 
 .PHONY: swagger
 swagger:
 	@swag init -g cmd/main.go
+
 .PHONY: db-up
 db-up:
-	docker compose -f compose.db.yaml up
+	@docker compose up -d postgres
+
 .PHONY: db-down
 db-down:
-	docker compose -f compose.db.yaml down
+	@docker compose down
+
 .PHONY: sqlc-gen
 sqlc-gen:
-	@sqlc generate
+	@sqlc generate