67 lines
2.6 KiB
Docker
67 lines
2.6 KiB
Docker
# Dockerfile optimized for Raspberry Pi (ARM64) and faster builds.
|
|
|
|
# Docker BuildKit arguments for multi-platform builds.
|
|
# These are automatically populated by Docker.
|
|
ARG TARGETPLATFORM
|
|
ARG BUILDPLATFORM
|
|
|
|
# STAGE 1: Dependencies
|
|
# This stage installs all dependencies (dev and prod) from package-lock.json
|
|
# It's used as a base for both development and builder stages to leverage caching.
|
|
FROM --platform=${BUILDPLATFORM} node:18-alpine AS deps
|
|
WORKDIR /app
|
|
COPY package*.json ./
|
|
# Use `npm ci` for faster, more reliable builds from package-lock.json
|
|
RUN npm ci
|
|
|
|
# STAGE 2: Development
|
|
# This stage is for local development. It includes devDependencies and source code.
|
|
# In docker-compose.dev.yml, the source is mounted for hot-reloading.
|
|
FROM deps AS development
|
|
|
|
# The source code is mounted via docker-compose for development,
|
|
# so we don't need to COPY it into the image. This keeps the dev image small.
|
|
# We only need the WORKDIR and the installed node_modules from the 'deps' stage.
|
|
CMD ["npm", "start"]
|
|
|
|
# STAGE 3: Builder
|
|
# This stage builds the Eleventy site for production.
|
|
FROM deps AS builder
|
|
COPY . .
|
|
# Build the site. Requires a "build": "eleventy" script in package.json
|
|
RUN npm run build
|
|
# After building, remove development dependencies to keep the final image small.
|
|
RUN npm prune --production
|
|
|
|
# STAGE 4: Production
|
|
# This stage creates a lean, production-ready image.
|
|
FROM node:18-alpine AS production
|
|
WORKDIR /app
|
|
|
|
# Create a non-root user for better security
|
|
RUN addgroup -S appgroup && adduser -S appuser -G appgroup
|
|
|
|
# Install su-exec for dropping privileges from root
|
|
RUN apk add --no-cache su-exec
|
|
|
|
# Copy only the necessary artifacts from the builder stage
|
|
# Using --chown ensures the non-root user owns the files.
|
|
COPY --from=builder --chown=appuser:appgroup /app/node_modules ./node_modules
|
|
COPY --from=builder --chown=appuser:appgroup /app/package.json ./package.json
|
|
COPY --from=builder --chown=appuser:appgroup /app/src/server.js .
|
|
COPY --from=builder --chown=appuser:appgroup /app/_site ./_site
|
|
# The _data directory is handled by the volume, but we copy it so the volume can be pre-populated on first run.
|
|
COPY --from=builder --chown=appuser:appgroup /app/src/_data/ ./_data/
|
|
COPY --chown=appuser:appgroup healthcheck.js .
|
|
|
|
# Copy and set up the entrypoint script
|
|
COPY --chown=root:root entrypoint.sh /usr/local/bin/
|
|
RUN chmod +x /usr/local/bin/entrypoint.sh
|
|
|
|
# Add a healthcheck to ensure the container is running correctly.
|
|
HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
|
|
CMD ["su-exec", "appuser", "node", "healthcheck.js"]
|
|
|
|
ENTRYPOINT ["entrypoint.sh"]
|
|
CMD ["node", "server.js"]
|