[CHORE] dockerfile 수정

server/Dockerfile

@@ -29,6 +29,8 @@ FROM node:18-alpine As build
 
 WORKDIR /usr/src/app
 
+ENV NODE_ENV=dev
+
 COPY --chown=node:node package*.json ./
 
 # In order to run `npm run build` we need access to the Nest CLI which is a dev dependency. In the previous development stage we ran `npm ci` which installed all dependencies, so we can copy over the node_modules directory from the development image
@@ -54,10 +56,12 @@ USER node
 
 FROM node:18-alpine As production
 
+ENV NODE_ENV=dev
+
 # Copy the bundled code from the build stage to the production image
 COPY --chown=node:node --from=build /usr/src/app/node_modules ./node_modules
 COPY --chown=node:node --from=build /usr/src/app/dist ./dist
 COPY --chown=node:node --from=build /usr/src/app/*.env ./
 
 # Start the server using the production build
-CMD [ "node", "dist/main.js" ]
+CMD [ "node", "dist/main.js" ]