diff --git a/backend/Dockerfile b/backend/Dockerfile
index c945a107..4226aa3a 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,6 +1,8 @@
-FROM node:22 AS build-stage
+FROM node:22
 
-WORKDIR /app
+WORKDIR /app/dwengo
+
+COPY ./backend/i18n ./i18n
 
 # Install dependencies
 
@@ -19,22 +21,9 @@ COPY backend ./backend
 COPY common ./common
 COPY docs ./docs
 
-WORKDIR /app/backend
-
-RUN npm run build
-
-FROM node:22 AS production-stage
-
-WORKDIR /app
-
-COPY package-lock.json backend/package.json ./
-
-RUN npm install --silent --only=production
-
-COPY ./docs /docs
-COPY ./backend/i18n /app/i18n
-COPY --from=build-stage /app/backend/dist ./dist/
+RUN npm run build --workspace=common
+RUN npm run build --workspace=backend
 
 EXPOSE 3000
 
-CMD ["node", "--env-file=.env", "dist/app.js"]
+CMD ["node", "--env-file=/app/dwengo/backend/.env", "/app/dwengo/backend/dist/app.js"]
diff --git a/backend/package.json b/backend/package.json
index 4e3b890d..cf94d0b6 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -24,6 +24,7 @@
         "cross": "^1.0.0",
         "cross-env": "^7.0.3",
         "dotenv": "^16.4.7",
+        "dwengo-1-common": "^0.1.1",
         "express": "^5.0.1",
         "express-jwt": "^8.5.1",
         "gift-pegjs": "^1.0.2",
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index 2dd3998d..a47827ba 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -4,6 +4,8 @@
     "compilerOptions": {
         "rootDir": "./src",
         "outDir": "./dist",
-        "resolveJsonModule": true
+        "resolveJsonModule": true,
+        "sourceMap": true,
+        "composite": true
     }
 }
diff --git a/common/package.json b/common/package.json
index 68e7a56b..db8adfd0 100644
--- a/common/package.json
+++ b/common/package.json
@@ -5,8 +5,12 @@
     "private": true,
     "type": "module",
     "scripts": {
+        "build": "tsc --project tsconfig.json",
         "format": "prettier --write src/",
         "format-check": "prettier --check src/",
         "lint": "eslint . --fix"
+    },
+    "exports": {
+        "./src/*": "./dist/*"
     }
 }
diff --git a/common/tsconfig.json b/common/tsconfig.json
index 2dd3998d..a47827ba 100644
--- a/common/tsconfig.json
+++ b/common/tsconfig.json
@@ -4,6 +4,8 @@
     "compilerOptions": {
         "rootDir": "./src",
         "outDir": "./dist",
-        "resolveJsonModule": true
+        "resolveJsonModule": true,
+        "sourceMap": true,
+        "composite": true
     }
 }
diff --git a/package-lock.json b/package-lock.json
index 863bd035..c41f2760 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,6 +41,7 @@
                 "cross": "^1.0.0",
                 "cross-env": "^7.0.3",
                 "dotenv": "^16.4.7",
+                "dwengo-1-common": "^0.1.1",
                 "express": "^5.0.1",
                 "express-jwt": "^8.5.1",
                 "gift-pegjs": "^1.0.2",
diff --git a/package.json b/package.json
index 56e3d01c..c7eeccc3 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "private": true,
     "type": "module",
     "scripts": {
-        "build": "npm run build --workspace=backend --workspace=frontend",
+        "build": "npm run build --workspaces --if-present",
         "format": "npm run format --workspace=backend --workspace=common --workspace=frontend",
         "format-check": "npm run format-check --workspace=backend --workspace=common --workspace=frontend",
         "lint": "npm run lint --workspace=backend --workspace=common --workspace=frontend",
diff --git a/tsconfig.json b/tsconfig.json
index b41449cf..11be2711 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -121,5 +121,11 @@
         "skipLibCheck": true,
         /* Skip type checking all .d.ts files. */
         "resolveJsonModule": true
-    }
+    },
+    "files": [],
+    "references": [
+        { "path": "backend" },
+        { "path": "common" },
+        { "path": "frontend" }
+    ]
 }