89 lines
3.1 KiB
YAML
89 lines
3.1 KiB
YAML
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# uj-mastering-master — web UI, container deployment template.
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#
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# docker compose up --build # build and start
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# docker compose logs -f # watch startup
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# open http://localhost:8000
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#
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# There is deliberately no audio volume. Uploaded audio lives in the browser
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# (Origin Private File System) and each request body is spooled to /tmp only
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# while that request is being decoded. Nothing about a user's masters is
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# persisted here — read-only storage is not just possible, it is the intent.
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services:
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ujm-web:
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build:
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context: .
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dockerfile: Dockerfile
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# Pin the build to this branch's source; override to build from a
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# release tag instead:
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# docker compose build --build-arg ...
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image: uj-mastering-master-web:local
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container_name: ujm-web
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# Loopback-only by default. The app binds 0.0.0.0 *inside* the container,
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# but publishing to 127.0.0.1 means it is only reachable from this host —
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# an analysis tool with no authentication should not appear on the LAN by
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# accident. Change to "8000:8000" (or put it behind a reverse proxy) to
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# expose it deliberately.
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ports:
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- "127.0.0.1:8000:8000"
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environment:
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# Analysis is CPU-bound numpy/scipy; keep BLAS from oversubscribing when
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# several requests overlap. Raise these if you raise `cpus` below.
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OMP_NUM_THREADS: "4"
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OPENBLAS_NUM_THREADS: "4"
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MKL_NUM_THREADS: "4"
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NUMEXPR_NUM_THREADS: "4"
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# Writable scratch for numba/matplotlib caches and request spools.
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NUMBA_CACHE_DIR: /tmp/numba-cache
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MPLCONFIGDIR: /tmp/matplotlib
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TMPDIR: /tmp
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# The container filesystem can be read-only: the app writes nothing it
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# needs to keep. /tmp is a tmpfs (memory-backed) so spooled request bodies
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# never touch a disk at all.
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read_only: true
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tmpfs:
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- /tmp:size=1g,mode=1777
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# Analysis needs headroom: a long master at native sample rate is heavy in
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# RAM. Raise the limit for large files; the tmpfs above is also backed by
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# memory, so --memory must comfortably exceed it.
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deploy:
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resources:
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limits:
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cpus: "4.0"
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memory: 4g
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# Run as the image's unprivileged user (uid 10001). Nothing here needs root.
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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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restart: unless-stopped
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stop_grace_period: 10s
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# The image ships a HEALTHCHECK; this is the same check expressed at the
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# orchestration layer, so `docker compose ps` shows real health.
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healthcheck:
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test: ["CMD", "python", "-c", "import urllib.request,sys; sys.exit(0 if urllib.request.urlopen('http://127.0.0.1:8000/api/metrics', timeout=4).status == 200 else 1)"]
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interval: 30s
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timeout: 5s
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start_period: 20s
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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: "3"
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# No volumes are declared, on purpose. If you want to run the API smoke test
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# inside the image, do it ad hoc rather than mounting a source tree:
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#
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# docker compose exec ujm-web python - <<'PY'
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# ... # or see `make smoke` in the README
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# PY
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