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fix: use root entrypoint to copy SSH key then drop to appuser 

The bind-mounted SSH key is owned by host uid (1000/node) but the
service runs as appuser (uid 1001). Use su-exec in entrypoint.sh
to copy the key as root, fix ownership, then drop privileges.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
hailin 2026-02-26 12:13:55 -08:00
parent 329916e1f6
commit bad7f4802d
2 changed files with 18 additions and 6 deletions
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14
Dockerfile.service
View File

@ -39,8 +39,8 @@ RUN pnpm turbo build --filter='./packages/shared/*' --filter=@it0/${SERVICE_NAME
# ===== Production Stage =====
FROM node:18-alpine
# Install bash (required by Claude Agent SDK Bash tool) + openssh-client (for SSH to managed servers)
RUN apk add --no-cache bash openssh-client
# Install bash (required by Claude Agent SDK Bash tool) + openssh-client (for SSH to managed servers) + su-exec (for privilege drop)
RUN apk add --no-cache bash openssh-client su-exec
RUN corepack enable
@ -79,12 +79,15 @@ COPY --from=builder /app/packages/shared/database/src/migrations packages/servic
WORKDIR /app/packages/services/${SERVICE_NAME}
# Run as non-root user (required for SDK bypassPermissions mode)
# Create non-root user for service runtime
RUN adduser -D -h /home/appuser appuser && \
mkdir -p /data/claude-tenants && \
mkdir -p /home/appuser/.ssh && chmod 700 /home/appuser/.ssh && \
chown -R appuser:appuser /app /data/claude-tenants /home/appuser/.ssh
USER appuser
# Copy entrypoint script (runs as root to fix SSH key permissions, then drops to appuser)
COPY deploy/docker/entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh
ARG SERVICE_PORT=3000
EXPOSE ${SERVICE_PORT}
@ -93,5 +96,4 @@ ENV SERVICE_NAME=${SERVICE_NAME}
ENV NODE_OPTIONS="--experimental-global-webcrypto"
ENV SHELL=/bin/bash
# Entrypoint: copy host-mounted SSH key with correct ownership, then start service
CMD sh -c 'if [ -f /tmp/host-ssh-key ]; then cp /tmp/host-ssh-key /home/appuser/.ssh/id_ed25519 && chmod 600 /home/appuser/.ssh/id_ed25519; fi && node dist/services/${SERVICE_NAME}/src/main'
ENTRYPOINT ["/entrypoint.sh"]

10
deploy/docker/entrypoint.sh Normal file
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@ -0,0 +1,10 @@
#!/bin/sh
# Copy host-mounted SSH key with correct ownership before dropping to appuser
if [ -f /tmp/host-ssh-key ]; then
cp /tmp/host-ssh-key /home/appuser/.ssh/id_ed25519
chmod 600 /home/appuser/.ssh/id_ed25519
chown appuser:appuser /home/appuser/.ssh/id_ed25519
fi
# Drop privileges and start the service
exec su-exec appuser node dist/services/${SERVICE_NAME}/src/main