Jonas Hagberg
5c40fa9aeb
Self-hosted Docker image now runs fully unprivileged (USER nextjs): the entrypoint populates the .next/public tmpfs mounts and substitutes NEXT_PUBLIC_* placeholders as nextjs, so the container boots under the hardened compose (cap_drop: ALL + read_only: true) with no capabilities. Also: substitute *.json (fixes CSP connect-src in routes-manifest.json), escape sed metacharacters in brand name, healthcheck via 127.0.0.1, and a fully-self-hosted Supabase docs section.
77 lines
2.3 KiB
YAML
77 lines
2.3 KiB
YAML
services:
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app:
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image: ghcr.io/erp-mafia/gnubok:${IMAGE_TAG:-latest}
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env_file: .env
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# Bound to loopback by default — put a TLS-terminating reverse proxy in
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# front (see docker-compose.caddy.yml). Override PORT in .env to change
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# the host port, or use the caddy overlay to remove the host binding.
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ports:
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- "127.0.0.1:${PORT:-3000}:3000"
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security_opt:
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- no-new-privileges:true
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cap_drop:
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- ALL
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read_only: true
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init: true
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# tmpfs ordering matters — the parent /app/.next must be mounted before
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# any sub-mounts. The entrypoint cp's image-baked templates into these
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# mounts at startup, then sed-substitutes the NEXT_PUBLIC_* placeholders,
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# then drops the write bits.
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#
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# uid=1001 (nextjs), mode=750: the entrypoint runs UNPRIVILEGED as nextjs
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# and owns these mounts, so it can populate them with no CAP_CHOWN/CAP_SETUID
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# — which is what lets the container run under `cap_drop: ALL`. nodejs-group
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# members can read the served bundle; nothing else on the host can.
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tmpfs:
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- /tmp
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- /app/.next:uid=1001,gid=1001,mode=750,size=400m
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- /app/public:uid=1001,gid=1001,mode=750,size=200m
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mem_limit: 1g
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cpus: 2
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pids_limit: 200
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restart: unless-stopped
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healthcheck:
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# 127.0.0.1, not localhost: the app binds 0.0.0.0 (IPv4) but localhost can
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# resolve to ::1 (IPv6), where nothing listens → false-unhealthy → the
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# cron service (depends_on healthy) never starts.
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test: ["CMD", "wget", "-q", "--spider", "http://127.0.0.1:3000/api/health"]
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interval: 30s
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timeout: 5s
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start_period: 30s
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start_interval: 5s
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retries: 3
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logging:
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driver: json-file
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options:
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max-size: "10m"
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max-file: "5"
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cron:
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build:
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context: docker
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dockerfile: cron.Dockerfile
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depends_on:
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app:
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condition: service_healthy
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environment:
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- CRON_SECRET=${CRON_SECRET}
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- APP_URL=http://app:3000
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volumes:
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- ./docker/crontab.self-hosted:/etc/supercronic/crontab:ro
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init: true
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security_opt:
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- no-new-privileges:true
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cap_drop:
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- ALL
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read_only: true
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tmpfs:
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- /tmp
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mem_limit: 64m
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pids_limit: 30
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restart: unless-stopped
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logging:
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driver: json-file
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options:
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max-size: "10m"
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max-file: "5"
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