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kandev/Dockerfile
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Docker

# Kandev Server Dockerfile
# Multi-stage build: Go backend + Next.js frontend + CLI launcher
#
# Build:
# docker build -t kandev:latest .
#
# Run:
# docker run -p 8080:8080 -v kandev-data:/data kandev:latest
# ---------------------------------------------------------------------------
# Stage 1: Go builder — compile kandev + agentctl binaries
# ---------------------------------------------------------------------------
FROM golang:1.26-bookworm AS go-builder
WORKDIR /build
# Cache Go module downloads
COPY apps/backend/go.mod apps/backend/go.sum ./
RUN go mod download
# Copy backend source and build
COPY apps/backend/ ./
RUN go build -ldflags "-s -w" -o /out/kandev ./cmd/kandev && \
go build -ldflags "-s -w" -o /out/agentctl ./cmd/agentctl
# ---------------------------------------------------------------------------
# Stage 2: Web + CLI builder — build Next.js standalone + CLI
# ---------------------------------------------------------------------------
FROM node:24-slim AS web-builder
RUN corepack enable && corepack prepare pnpm@latest --activate
WORKDIR /build/apps
# Copy workspace config and all package.json files for dependency caching
COPY apps/package.json apps/pnpm-workspace.yaml apps/pnpm-lock.yaml ./
COPY apps/web/package.json ./web/package.json
COPY apps/cli/package.json ./cli/package.json
COPY apps/packages/ui/package.json ./packages/ui/package.json
COPY apps/packages/theme/package.json ./packages/theme/package.json
COPY apps/packages/types/package.json ./packages/types/package.json
RUN pnpm install --frozen-lockfile
# Copy full source for build
COPY apps/ ./
# Build shared packages, web app, and CLI
RUN pnpm --filter @kandev/web build && \
pnpm --filter kandev build
# ---------------------------------------------------------------------------
# Stage 3: Runtime — minimal image with both services
# ---------------------------------------------------------------------------
FROM node:24-bookworm-slim AS runtime
# Install only essential runtime dependencies, then clean up
RUN apt-get update && \
apt-get install -y --no-install-recommends \
git \
ca-certificates \
gosu \
tini \
python3 \
python3-venv \
pipx && \
rm -rf /var/lib/apt/lists/* && \
PIPX_HOME=/opt/pipx PIPX_BIN_DIR=/usr/local/bin pipx install apprise
# Replace the node base image's default user so we own uid 1000
RUN userdel -r node && groupadd -r kandev && useradd -r -g kandev -u 1000 -m kandev
# Create app directory structure matching what the CLI expects:
# /app/apps/backend/bin/kandev
# /app/apps/web/.next/standalone/web/server.js
RUN mkdir -p /app/apps/backend/bin /app/apps/web/.next /data/worktrees
# Copy Go binaries
COPY --from=go-builder /out/kandev /app/apps/backend/bin/kandev
COPY --from=go-builder /out/agentctl /usr/local/bin/agentctl
# Copy Next.js standalone output
COPY --from=web-builder /build/apps/web/.next/standalone/ /app/apps/web/.next/standalone/
# Copy static assets and public directory into standalone output
COPY --from=web-builder /build/apps/web/.next/static/ /app/apps/web/.next/standalone/web/.next/static/
COPY --from=web-builder /build/apps/web/public/ /app/apps/web/.next/standalone/web/public/
# Install CLI: copy built output + package.json, install prod deps, link binary
COPY --from=web-builder /build/apps/cli/dist/ /usr/local/lib/kandev-cli/dist/
COPY --from=web-builder /build/apps/cli/bin/ /usr/local/lib/kandev-cli/bin/
COPY --from=web-builder /build/apps/cli/package.json /usr/local/lib/kandev-cli/
RUN cd /usr/local/lib/kandev-cli && npm install --omit=dev && \
chmod +x bin/cli.js && \
ln -s /usr/local/lib/kandev-cli/bin/cli.js /usr/local/bin/kandev
# Kandev home directory (DB, worktrees, sessions, repos)
VOLUME ["/data"]
# Environment defaults for containerized operation
ENV KANDEV_NO_BROWSER=1 \
KANDEV_DATA_DIR=/data \
KANDEV_DOCKER_ENABLED=false \
HOSTNAME=0.0.0.0 \
NODE_ENV=production
# Copy entrypoint script
COPY docker-entrypoint.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/docker-entrypoint.sh
# Set build-time ownership of /app and /data
RUN chown -R kandev:kandev /app /data
WORKDIR /app
EXPOSE 8080
# tini as PID 1 for signal handling; entrypoint handles privilege drop
ENTRYPOINT ["tini", "--", "docker-entrypoint.sh"]
CMD ["kandev", "start", "--backend-port", "8080", "--web-port", "3000", "--verbose"]