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perf(docker): optimize build with separate dependency stages for better layer caching

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This commit is contained in:
Jose Selesan
2026-04-10 15:50:46 -03:00
parent 9ee98a4cb4
commit 1911d5623c
1 changed files with 28 additions and 10 deletions
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38
apps/backend/Dockerfile
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@@ -1,19 +1,29 @@
# syntax=docker/dockerfile:1.7
FROM oven/bun:1.3 AS deps
# Stage 1: Install backend dependencies (cached unless backend deps change)
FROM oven/bun:1.3 AS backend-deps
WORKDIR /app
# Workspace manifests first for better layer caching.
COPY package.json ./
COPY apps/backend/package.json apps/backend/package.json
COPY apps/frontend/package.json apps/frontend/package.json
COPY packages/api-contract/package.json packages/api-contract/package.json
COPY apps/backend/package.json apps/backend/
COPY packages/api-contract packages/api-contract/
RUN bun install --frozen-lockfile
RUN bun install
# Stage 2: Install frontend dependencies (cached unless frontend deps change)
FROM oven/bun:1.3 AS frontend-deps
WORKDIR /app
COPY package.json ./
COPY apps/frontend/package.json apps/frontend/
COPY packages/api-contract packages/api-contract/
RUN bun install --frozen-lockfile
FROM deps AS build
# Stage 3: Build stage
FROM backend-deps AS build
WORKDIR /app
# Copy frontend deps for building
COPY --from=frontend-deps /app/node_modules ./frontend_node_modules
# Copy source code
COPY apps/backend apps/backend
COPY apps/frontend apps/frontend
COPY packages/api-contract packages/api-contract
@@ -30,10 +40,17 @@ ENV VITE_SUPABASE_ANON_KEY=${VITE_SUPABASE_ANON_KEY}
ARG DATABASE_URL=postgresql://postgres:postgres@localhost:5432/postgres
ENV DATABASE_URL=${DATABASE_URL}
RUN bun --filter frontend build
# Build frontend with its own node_modules
RUN cp -R frontend_node_modules apps/frontend/node_modules
RUN bun --cwd apps/frontend run build
# Copy frontend build output to backend public folder
RUN mkdir -p apps/backend/public && cp -R apps/frontend/dist/. apps/backend/public/
# Generate Prisma client
RUN bun --cwd apps/backend run prisma:generate
# Stage 4: Runner
FROM oven/bun:1.3-slim AS runner
WORKDIR /app
@@ -41,7 +58,8 @@ ENV NODE_ENV=production
ENV HOST=0.0.0.0
ENV PORT=3000
COPY --from=deps /app/node_modules ./node_modules
# Copy only backend deps and built artifacts
COPY --from=backend-deps /app/node_modules ./node_modules
COPY --from=build /app/apps/backend ./apps/backend
COPY --from=build /app/packages ./packages
COPY package.json ./