60 lines
2.3 KiB
YAML
60 lines
2.3 KiB
YAML
# prerender server with pm2 and prerender-plugin-fscache (file system based so
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# resolves caching issues with pm2 and prerender-memory-cache)
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#
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# docker compose exec prerender pm2 monit
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services:
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prerender:
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build: .
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image: ${IMAGE:-prerender}
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container_name: ${CONTAINER_NAME:-prerender}
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user: node
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restart: unless-stopped
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init: true # makes all the difference, no more timeout (not always) / restarts without chrome alive
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expose:
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- "3000"
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- "9222"
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environment:
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- PATH=/home/node/node_modules/pm2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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- VIRTUAL_PORT=3000
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- VIRTUAL_HOST=${LETSENCRYPT_HOST}
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- LETSENCRYPT_HOST=${LETSENCRYPT_HOST}
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- LETSENCRYPT_EMAIL=${LETSENCRYPT_EMAIL}
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- LETSENCRYPT_TEST=${LETSENCRYPT_TEST:-false}
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- CHROME_LOCATION=/usr/bin/chromium
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- PAGE_LOAD_TIMEOUT=${PAGE_LOAD_TIMEOUT:-15000} # was 3000: too tight for a cold SPA, prerender gave up with splash/empty DOM and (with TIMEOUT_STATUS_CODE unset) cached those partial renders as 200 for 24h
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# a timed-out render must NOT look like a success: 504 is not in CACHE_STATUS_CODES,
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# so partial snapshots are never written to the cache
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- TIMEOUT_STATUS_CODE=${TIMEOUT_STATUS_CODE:-504}
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- NODE_ENV=production
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- PHANTOM_WORKERS=${PHANTOM_WORKERS} # legacy, ignored: instances is fixed to 1 (see ecosystem.config.js)
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# prerender-plugin-fscache to the rescue
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# only cache clean results, and only for 1h so any bad entry self-heals quickly
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# (404 was removed: a transient 404 used to be frozen for a full day)
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- CACHE_STATUS_CODES=${CACHE_STATUS_CODES:-200,301,302}
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- CACHE_TTL=${CACHE_TTL:-3600}
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- CACHE_PATH=/home/node/prerender-cache
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- CACHE_VOLUME=${CACHE_VOLUME:-prerender-cache}
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networks:
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letsencrypt:
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default:
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entrypoint: ["pm2-runtime", "start", "ecosystem.config.js"]
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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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volumes:
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- ./ecosystem.config.js:/home/node/ecosystem.config.js
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- ./server.js:/home/node/server.js
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- prerender-cache:/home/node/prerender-cache
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networks:
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letsencrypt:
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external: true
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volumes:
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prerender-cache:
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name: ${CACHE_VOLUME}
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