infra: add Dockerfile for running api in dev and prod

api/.dockerignore

@@ -0,0 +1,4 @@
+/dist
+/node_modules
+/coverage
+.env

api/Dockerfile

@@ -0,0 +1,23 @@
+FROM node:18-alpine AS base
+RUN npm i -g pnpm
+WORKDIR /app
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm i
+COPY . .
+
+FROM base AS dev
+ENV NODE_ENV=development
+ENTRYPOINT ["pnpm", "start:dev"]
+
+FROM base AS build
+ENV NODE_ENV=production
+RUN pnpm build
+
+FROM node:18-alpine AS prod
+ENV NODE_ENV=production
+WORKDIR /app
+RUN npm i -g pnpm
+COPY --from=build /app/dist ./dist 
+COPY --from=build /app/package.json /app/pnpm-lock.yaml ./ 
+RUN pnpm i --prod
+ENTRYPOINT ["pnpm", "start"]