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fix(backend): Dockerfile build stage installs devDependencies for nest build #1481

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fix(backend): Dockerfile build stage installs devDependencies for nest build #1481

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17 changes: 13 additions & 4 deletions apps/backend/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -37,17 +37,26 @@ FROM node:20.11.1-alpine3.19 as build
WORKDIR /app
# RUN apk add --no-cache libc6-compat

# Set to production environment
ENV NODE_ENV production
# Build stage runs as development so `npm ci` installs devDependencies
# (NestJS CLI lives in apps/backend's devDependencies; without it
# `nest build` fails with `sh: nest: not found`). The final production
# stage below copies dist + production-only node_modules — devDeps
# don't ship in the runtime image.
ENV NODE_ENV development

# Re-create non-root user for Docker
# RUN addgroup --system --gid 1001 node
# RUN adduser --system --uid 1001 node

# Copy workspace root files
# Copy workspace root manifests + the backend workspace's package.json so
# `npm ci` resolves the backend workspace and installs its devDependencies.
# Without apps/backend/package.json on disk before `npm ci`, npm skips
# the workspace's deps entirely and `nest build` fails even though
# devDeps are nominally enabled.
COPY --chown=node:node package*.json ./
COPY --chown=node:node apps/backend/package.json ./apps/backend/

# Install all workspace dependencies
# Install all workspace dependencies (incl. devDeps — needed for `nest build`)
RUN npm ci

# Copy backend source code
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