FROM node:24-alpine

WORKDIR /app

# @subql/node with @polkadot aliased to @pezkuwi. The tree is locked in
# docker/indexer so every build installs the same packages (and Dependabot
# can see them); without the lock a cached layer kept whatever was current
# the day it was first built.
COPY docker/indexer/package.json docker/indexer/package-lock.json ./
RUN npm ci --no-audit --no-fund

# @subql/node requires '@polkadot/api-augment/substrate' but @pezkuwi uses
# chain-specific paths (./pezkuwi, ./bizinikiwi). Patch the exports map in
# package.json to add ./substrate pointing to pezkuwi augmentation.
RUN node -e " \
  const fs = require('fs'); \
  const p = '/app/node_modules/@polkadot/api-augment/package.json'; \
  const pkg = JSON.parse(fs.readFileSync(p, 'utf8')); \
  pkg.exports['./substrate'] = { \
    require: './cjs/pezkuwi/index.js', \
    default: './pezkuwi/index.js' \
  }; \
  fs.writeFileSync(p, JSON.stringify(pkg, null, 2)); \
"

# Patch: handle pruned blockchain state gracefully.
# Without this, SubQuery crashes when RPC nodes have pruned old block state.
COPY docker/patches/pruned-state-fallback.js /tmp/pruned-state-fallback.js
RUN node /tmp/pruned-state-fallback.js && rm /tmp/pruned-state-fallback.js

ENTRYPOINT ["/app/node_modules/.bin/subql-node"]