Feat: docker compose done

backend/Dockerfile

@@ -0,0 +1,31 @@
+FROM node:22 AS deps
+
+WORKDIR /app
+COPY ./package.json ./package-lock.json .
+RUN npm ci --omit=dev
+
+#####
+
+FROM node:22 AS devdeps
+
+WORKDIR /app
+COPY ./package.json ./package-lock.json ./tsconfig.json .
+RUN npm ci
+
+#####
+
+FROM node:22 AS build
+
+WORKDIR /app
+COPY . /app
+COPY --from=devdeps /app/node_modules /app/node_modules
+RUN npm run build
+
+#####
+
+FROM gcr.io/distroless/nodejs22-debian12
+WORKDIR /app
+COPY --from=build /app /app
+COPY --from=deps /app/node_modules /app/node_modules
+
+CMD ["dist/index.js"]