Add Dockerfile and docker-compose

Signed-off-by: Tiago Góes <[email protected]>

.gitignore

@@ -1 +1,2 @@
 .DS_Store
+todo-api

Dockerfile

@@ -0,0 +1,17 @@
+FROM golang:1.22
+
+WORKDIR /app
+
+COPY . /app
+
+RUN go mod download
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o todo-api cmd/main.go
+
+WORKDIR /app
+
+EXPOSE 8080
+
+RUN chmod +x todo-api
+
+CMD [ "./todo-api" ]

cmd/main.go

@@ -36,6 +36,6 @@ func main() {
 		})
 	})
 
-	server.Run(":8000")
+	server.Run(":8080")
 
 }

db/conn.go

@@ -3,22 +3,21 @@ package db
 import (
 	"database/sql"
 	"fmt"
+	"log"
+	"os"
 
 	_ "github.com/lib/pq"
 )
 
-const (
-	host     = "localhost"
-	port     = 5432
-	user     = "postgres"
-	password = 1234
-	dbname   = "postgres"
-)
-
 func ConnectDB() (*sql.DB, error) {
+	databaseURL := os.Getenv("DATABASE_URL")
+	if databaseURL == "" {
+		log.Fatal("DATABASE_URL is not set")
+	}
+
+	fmt.Print(databaseURL)
+	db, err := sql.Open("postgres", databaseURL)
 
-	psqlInfo := fmt.Sprintf("host=%s port=%d user=%s password=%d dbname=%s sslmode=disable", host, port, user, password, dbname)
-	db, err := sql.Open("postgres", psqlInfo)
 	if err != nil {
 		panic(err)
 	}
@@ -28,7 +27,7 @@ func ConnectDB() (*sql.DB, error) {
 		panic(err)
 	}
 
-	fmt.Printf("Connected to %s", dbname)
+	// fmt.Printf("Connected to %s", dbname)
 
 	return db, nil
 }

docker-compose.yaml

@@ -1,20 +1,37 @@
-# Use postgres/example user/password credentials
-version: '3.9'
-
 services:
+  api:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    restart: always
+    ports:
+      - "8080:8080"
+    environment:
+      DATABASE_URL: postgres://postgres:1234@db:5432/postgres?sslmode=disable
+      GIN_MODE: release
+    depends_on:
+      - db
+    networks:
+      - todo-network
 
   db:
     image: postgres
     container_name: database
     restart: always
     ports:
-    - "5432:5432"
+      - "5432:5432"
     volumes:
-     - pgdata:/var/lib/postgresql/data
+      - pgdata:/var/lib/postgresql/data
     environment:
       POSTGRES_PASSWORD: 1234
       POSTGRES_USER: postgres
       POSTGRES_DB: postgres
+    networks:
+      - todo-network
 
 volumes:
-  pgdata: {}
+  pgdata: {}
+
+networks:
+  todo-network:
+    driver: bridge

go.mod

@@ -1,6 +1,6 @@
 module todo-api
 
-go 1.22.6
+go 1.22.5
 
 require (
 	github.com/gin-gonic/gin v1.10.0