feat(core): added contenerization

Dockerfile

+FROM node:slim as builder
+
+WORKDIR /app
+#3. Copy the package.json and package-lock.json files to the /app directory
+COPY package*.json ./
+#3. Install the dependencies
+RUN npm install
+#4. Copy the rest of the files to the /app directory
+COPY . .
+#4. Build the app (run script called build in package.json file)
+RUN npm run build
+#5. Create a new image
+FROM node:alpine
+
+WORKDIR /app
+#6. Copy the dist folder from the builder image to the /app directory
+COPY --from=builder /app/dist ./dist
+
+COPY package*.json ./
+#7. Install only production dependencies
+RUN npm install --omit=dev
+
+EXPOSE 3000
+
+CMD [ "node", "dist/index.js" ]
+
+