ci: merge build and lint steps

apps/agent/deployment/ci-cd/Dockerfile

-FROM node:18.19.1 as base
+FROM node:18.19.1 AS base
 RUN apt update -y && apt install yarn python3 make build-essential -y
 
-FROM base as deps
+FROM base AS deps
 WORKDIR /app
 
 COPY package.json .
@@ -9,30 +9,17 @@ COPY yarn.lock .
 
 RUN yarn install --frozen-lockfile
 
-FROM base as linter
-#TODO: pass MR title and validate it
-RUN apt update -y && apt install yarn python3 make build-essential -y
+FROM base AS builder
 
 WORKDIR /app
-
 COPY . .
-
 COPY --from=deps /app/node_modules ./node_modules
 
 RUN npx nx run-many --target=lint --projects=agent --configuration=production
 RUN npx nx run-many --target=test --projects=agent --configuration=production
+RUN npx nx run-many --target=build --projects=agent --configuration=production
 
-FROM base as builder
-
-RUN apt update -y && apt install yarn python3 make build-essential -y
-
-WORKDIR /app
-COPY . .
-COPY --from=deps /app/node_modules ./node_modules
-
-RUN yarn nx run-many --target=build --projects=agent --configuration=production
-
-FROM node:18.19.1-buster-slim as production
+FROM node:18.19.1-buster-slim AS production
 
 ENV NODE_ENV production
 
@@ -40,7 +27,6 @@ RUN apt update -y && apt install yarn python3 make build-essential -y
 
 WORKDIR /app
 
-#copy from build
 COPY --from=builder /app/dist .
 
 COPY --from=builder /app/dist/apps/agent/package.json .