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Improved production Docker build caching #28080

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Merged
9larsons merged 1 commit into from
May 23, 2026
+15 −6
Merged

Improved production Docker build caching #28080

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4 changes: 4 additions & 0 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -951,6 +951,8 @@ jobs:

- name: Build & push core image
uses: docker/build-push-action@f9f3042f7e2789586610d6e8b85c8f03e5195baf # v7
env:
BUILDKIT_PROGRESS: plain
with:
context: /tmp/ghost-production
file: Dockerfile.production
Expand All @@ -967,6 +969,8 @@ jobs:

- name: Build & push full image
uses: docker/build-push-action@f9f3042f7e2789586610d6e8b85c8f03e5195baf # v7
env:
BUILDKIT_PROGRESS: plain
with:
context: /tmp/ghost-production
file: Dockerfile.production
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17 changes: 11 additions & 6 deletions Dockerfile.production
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Expand Up @@ -12,9 +12,7 @@ ARG NODE_VERSION=22.18.0
# ---- Core: server + production deps ----
FROM node:$NODE_VERSION-bookworm-slim AS core

ARG GHOST_BUILD_VERSION=""
ENV NODE_ENV=production
ENV GHOST_BUILD_VERSION=${GHOST_BUILD_VERSION}

RUN apt-get update && \
apt-get install -y --no-install-recommends libjemalloc2 fontconfig && \
Expand All @@ -25,26 +23,33 @@ RUN apt-get update && \

WORKDIR /home/ghost

COPY --exclude=core/built/admin . .

RUN corepack enable

COPY package.json pnpm-lock.yaml pnpm-workspace.yaml .npmrc ./
COPY components ./components

RUN --mount=type=cache,target=/root/.local/share/pnpm/store,id=pnpm-store \
apt-get update && \
apt-get install -y --no-install-recommends build-essential python3 && \
pnpm install --ignore-scripts --prod --prefer-offline && \
(cd node_modules/sqlite3 && npm run install) && \
apt-get purge -y build-essential python3 && \
apt-get autoremove -y && \
rm -rf /var/lib/apt/lists/* && \
mkdir -p default log && \
rm -rf /var/lib/apt/lists/*

COPY --exclude=core/built/admin . .

RUN mkdir -p default log && \
cp -R content base_content && \
cp -R content/themes/casper default/casper && \
([ -d content/themes/source ] && cp -R content/themes/source default/source || true) && \
chown ghost:ghost /home/ghost && \
chown -R nobody:nogroup /home/ghost/* && \
chown -R ghost:ghost /home/ghost/content /home/ghost/log

ARG GHOST_BUILD_VERSION=""
ENV GHOST_BUILD_VERSION=${GHOST_BUILD_VERSION}

USER ghost
ENV LD_PRELOAD=libjemalloc.so.2

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