chore: Add docker and improve Makefile

Makefile

@@ -6,6 +6,9 @@ GOBUILD=$(GO) build
 GOCLEAN=$(GO) clean
 GOTEST=$(GO) test
 
+include .env
+export
+
 all: build run
 
 build: cmd/api/main.go
@@ -14,9 +17,21 @@ build: cmd/api/main.go
 run:
 	PORT=8080 "$(BUILD_FOLDER)/$(BUILD_FILE)"
 
-clean:
+clean: down
 	@# Use "$(GOCLEAN)" so it removes any self-compiled bins (not using `make build`)
 	$(GOCLEAN)
 	-rm -r $(BUILD_FOLDER)
 
+tidy:
+	go mod tidy -e
+
+up:
+	docker compose up -d
+
+down:
+	docker compose down
+
+psql:
+	docker exec -it arkhon-db psql -U $(POSTGRES_USER) -d $(POSTGRES_DB)
+
 .PHONY: build run all

docker-compose.yml

@@ -0,0 +1,14 @@
+services:
+    postgres:
+        image: postgres:latest
+        container_name: arkhon-db
+        environment:
+            POSTGRES_DB: ${POSTGRES_DB}
+            POSTGRES_USER: ${POSTGRES_USER}
+            POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+        env_file:
+            - .env
+        ports:
+            - '5432:5432'
+        volumes:
+            - ./pgdata:/var/lib/postgresql/data