Skip to content

build(docker): slim prod image (1.08GB → 390MB) #2

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
andreacw5 merged 1 commit into from
Nov 2, 2026
Merged

build(docker): slim prod image (1.08GB → 390MB) #2

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions .dockerignore
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -37,3 +37,6 @@ scripts
# Misc
*.zip
*.tar

# Incremental tsc state from local builds: stale, it makes `nest build` skip emitting
*.tsbuildinfo
27 changes: 15 additions & 12 deletions Dockerfile
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,14 +5,9 @@ ENV NODE_ENV=build
# Create app directory
WORKDIR /usr/src/app

# Install pnpm and build dependencies
# Install pnpm (no native modules to compile, so no build toolchain)
RUN npm install -g pnpm@10.14.0

# Install build deps needed for native modules and prisma generation
RUN apt-get update && \
apt-get install -y --no-install-recommends build-essential python3 curl ca-certificates gcc g++ make && \
rm -rf /var/lib/apt/lists/*

# Install app dependencies (including dev dependencies) for the build
COPY package.json pnpm-lock.yaml .npmrc pnpm-workspace.yaml ./
RUN pnpm install --frozen-lockfile
Expand All @@ -27,6 +22,16 @@ RUN pnpm build
# Remove devDependencies to keep only production deps (pruned node_modules)
RUN pnpm prune --prod

# Drop what prune keeps but the runtime never loads:
# - the prisma CLI (+ studio, react, typescript, pglite): kept as a resolved peer of
# @prisma/client; migrations aren't run from this image
# - the query compilers of every database but postgres
RUN cd node_modules/.pnpm \
&& rm -rf prisma@* @prisma+studio-core@* @prisma+engines@* @prisma+dev@* @electric-sql+pglite* \
typescript@* effect@* react@* react-dom@* \
&& find @prisma+client@*/node_modules/@prisma/client/runtime \
\( -name '*cockroachdb*' -o -name '*mysql*' -o -name '*sqlite*' -o -name '*sqlserver*' \) -delete

# Start a fresh runtime image
FROM node:24.15.0-slim AS prod

Expand All @@ -39,14 +44,12 @@ WORKDIR /usr/src/app
# Create a non-root user and group with specific UID/GID to match host user
RUN groupadd -g 1001 app && useradd -u 1001 -g app -m app

# Install runtime dependencies for Sharp image processing
# Pull Debian security fixes not yet in the base image and remove npm
# (not needed at runtime; its bundled deps carry CVEs)
RUN apt-get update && \
apt-get install -y --no-install-recommends libvips-dev && \
apt-get upgrade -y --no-install-recommends && \
rm -rf /var/lib/apt/lists/*

# Remove npm (not needed at runtime; its bundled deps carry CVEs)
RUN npm uninstall -g npm corepack
rm -rf /var/lib/apt/lists/* && \
npm uninstall -g npm corepack

# Copy built artifacts and dependencies from builder with ownership set during copy
COPY --chown=app:app package.json pnpm-lock.yaml ./
Expand Down
Loading