98 lines
4.2 KiB
Docker
98 lines
4.2 KiB
Docker
# Stage 1 — build
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FROM node:22-alpine AS builder
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WORKDIR /app
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COPY package*.json ./
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# `npm ci`, with no `|| npm install` fallback.
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#
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# That fallback was here and it is worse than the error it hides. `npm ci`
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# fails only when package-lock.json disagrees with package.json — exactly the
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# case where falling back to `npm install` resolves fresh versions the lock file
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# never pinned, so the deployed bundle is built from dependencies nobody chose
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# and nobody can reproduce.
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#
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# When this line fails, the fix is `npm install` locally and COMMIT the updated
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# package-lock.json. The build should not paper over a lock file that is out of
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# date; it should say so.
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RUN npm ci --no-audit --no-fund
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COPY . .
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# Where the bundle points at the backend, fixed HERE rather than left to `.env`.
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#
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# Deployment platforms write their own `.env` into the source directory before
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# building — Dokploy does — which overwrites the committed one and takes
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# VITE_API_BASE with it. The build then fell through to a same-origin path and
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# the console called `https://<its own domain>/fiesta/live/api/...`. A build
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# argument outranks the file, so the host survives that overwrite.
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#
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# Override per environment with `--build-arg VITE_API_BASE=...` (Dokploy: Build
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# Args), e.g. to point a staging console at a staging Fiesta.
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ARG VITE_API_BASE="https://fiesta.nearle.app"
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ENV VITE_API_BASE=$VITE_API_BASE
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RUN npm run build
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# Stage 2 — serve
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FROM nginx:alpine
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# The config is a TEMPLATE, and that is deliberate.
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#
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# nginx:alpine's entrypoint runs `envsubst` over /etc/nginx/templates/*.template
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# at container start and writes the result into conf.d. That is how the ingest
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# API key reaches nginx as a runtime environment variable rather than being
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# committed here in plain text — which is what the previous Dockerfile did with
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# the Hasura secret, on the line this replaces.
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COPY nginx.conf.template /etc/nginx/templates/default.conf.template
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# Restricts substitution to this one name.
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#
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# Without the filter, envsubst replaces every `${...}` it recognises as an
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# environment variable — and the container's environment carries HOSTNAME, PATH
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# and friends. Nginx's own `$uri`, `$remote_addr` and `$proxy_add_x_forwarded_for`
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# would survive that today, but only by luck, and a config silently rewritten at
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# boot is a bad thing to leave to luck.
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ENV NGINX_ENVSUBST_FILTER="(INGEST_TOKEN|INGEST_UPSTREAM)"
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# Empty by default — and this line is LOAD-BEARING. Do not delete it.
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#
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# BuildKit warns about it: `SecretsUsedInArgOrEnv: Do not use ARG or ENV
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# instructions for sensitive data (ENV "INGEST_TOKEN")`. The warning is right in
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# general and wrong here: nothing sensitive is baked in, the value is the empty
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# string, and the real token is supplied at RUN time by the deployment.
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#
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# Removing the line to silence the warning breaks the config in a way that is
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# hard to see. nginx's entrypoint builds its substitution list from env vars
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# that are DEFINED:
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#
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# defined_envs=$(printf '${%s} ' $(awk "END { for (name in ENVIRON) ... }"))
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#
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# With INGEST_TOKEN undefined, it is not in that list, envsubst leaves the
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# placeholder alone, and nginx ends up with the literal text `${INGEST_TOKEN}`
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# as the token — which is not empty, so the missing-token guard never fires and
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# every ingest call goes out with a nonsense `X-API-Key`.
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#
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# Declaring it empty here guarantees envsubst always substitutes it, so an
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# unset token is a real empty string and the guard can catch it.
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ENV INGEST_TOKEN=""
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# Where the ingest service is. Declared here for the same reason as the line
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# above: envsubst only substitutes names that are DEFINED, so an undeclared
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# INGEST_UPSTREAM would leave the literal text `${INGEST_UPSTREAM}` in the
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# config as the proxy target, and nginx would fail to start with an error that
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# names the variable rather than the omission.
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#
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# Defaults to the public host so an existing deployment behaves exactly as it
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# did. Set it to the sibling container's internal address — e.g.
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# `http://mcp-backend:8000` — to take the private path and drop the credential
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# entirely.
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ENV INGEST_UPSTREAM="https://mcp.nearle.ai.in"
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COPY --from=builder /app/dist/ /usr/share/nginx/html/
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EXPOSE 80 3000
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CMD ["nginx", "-g", "daemon off;"]
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