93 lines
5.2 KiB
Plaintext
93 lines
5.2 KiB
Plaintext
# Which build of the four MCP images to run, as published to Docker Hub under luciolelii/. A commit
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# hash of the `mcps` repository, or `latest`. Leave it unset to take the one the compose file names.
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# MCP_IMAGE_TAG=921d54c
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# Generate each token independently, for example: openssl rand -hex 32
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CODING_AGENT_MCP_API_KEYS=agent=replace-with-at-least-32-random-characters
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DEV_SERVER_MCP_API_KEYS=agent=replace-with-a-different-32-char-token
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BROWSER_MCP_API_KEYS=agent=replace-with-a-third-32-char-token
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MINIO_MCP_API_KEYS=agent=replace-with-a-fourth-32-char-token
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DEV_SERVER_WORKER_TOKEN=replace-with-a-private-worker-token-32-chars
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# External mode: URL, bucket and credentials are passed once to minio_open_session, not configured
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# on this long-running container. It can therefore hold sessions to different MinIO installations.
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MINIO_MCP_DEFAULT_REGION=us-east-1
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MINIO_MCP_MAX_CONNECTIONS_PER_SESSION=8
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# Optional comma-separated S3 endpoint origins. Leave empty only when every MCP client is trusted
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# to make this server connect to arbitrary HTTP(S) destinations.
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MINIO_MCP_ALLOWED_ENDPOINTS=
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# Applies independently to reads and writes. Base64 overhead is handled by the HTTP body limit.
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MINIO_MCP_MAX_OBJECT_BYTES=1048576
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# The internal mode is chosen by the catalog entry minio-mcp-internal rather than by the model, and
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# its MinIO endpoint and keys are that entry's headers in the workflow manager's catalog - not
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# variables here. The session arrives with x-minio-scope set to the execution's id, and this server
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# creates the bucket <prefix><execution id> on first use. Those keys must be allowed to create
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# buckets, and the endpoint must be on MINIO_MCP_ALLOWED_ENDPOINTS when that is set.
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#
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MINIO_MCP_INTERNAL_BUCKET_PREFIX=exec-
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# Use a dedicated project directory, never a home directory or filesystem root.
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MCP_WORKSPACE_HOST_PATH=/absolute/path/to/project
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# Whoever owns the workspace directory on the host. This file is read literally - no shell runs
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# over it - so write the numbers that 'id -u' and 'id -g' print, not the commands themselves.
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# Keep 10001: the dev-server image is built with that user, and the volumes the worker mounts take
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# their owner from it. Give the workspace directory to 10001:10001 (sudo chown -R 10001:10001 <dir>)
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# rather than changing these.
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MCP_UID=10001
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MCP_GID=10001
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# Copy services.example.json and edit the copy. It is mounted read-only.
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DEV_SERVER_SERVICES_CONFIG=./dev-server-mcp/services.example.json
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# What a caller may run, which is narrower than what the image carries on purpose. npx is left out
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# because it fetches and runs an arbitrary package by name.
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DEV_SERVER_ALLOWED_COMMANDS=node,npm,python3,./mvnw
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# One instance per execution, each on its own port. Size the range and the cap by memory: two
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# frontend builds saturate the worker's 2 GB, and a Spring project's .m2 is 300 MB of disk apiece.
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DEV_SERVER_PORT_RANGE=5200-5219
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DEV_SERVER_MAX_INSTANCES=4
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# Every port an execution can be given has to be reachable by the browser, and the allowlist is by
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# exact origin - so the range is spelled out here. Keep it aligned with DEV_SERVER_PORT_RANGE.
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BROWSER_MCP_ALLOWED_ORIGINS=http://dev-server-worker:5173,http://dev-server-worker:5200-5219
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CODING_AGENT_MCP_PORT=3101
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DEV_SERVER_MCP_PORT=3102
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BROWSER_MCP_PORT=3103
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MINIO_MCP_PORT=3104
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# The gateway publishes every server under one host by path, which is what the catalog expects.
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MCP_GATEWAY_PORT=3100
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### Dedicated VM ###
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# Used with the overlay:
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# docker compose --env-file .env -f mcp-stack.compose.yml -f mcp-stack.vm.compose.yml up -d
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#
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# Caddy obtains the certificate itself, from Let's Encrypt, as long as the host answers on 80 or
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# 443 from the internet. Worth knowing when the name is chosen: CAA is evaluated on the canonical
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# name, so a name that is a CNAME into a zone authorising Let's Encrypt is issued without trouble -
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# the way the institute's existing hosts are - while a name resolving straight to an address under
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# isti.cnr.it would be refused, since that zone authorises digicert and sectigo for plain names.
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# Either way Caddy's log says which happened, and the manual fallback is in mcp-stack.vm.Caddyfile.
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# Left commented so that copying this file onto a laptop never starts Caddy in HTTPS mode, which
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# would try to obtain a certificate for the name below from a machine that is not that host.
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# Uncomment all four on the VM.
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# MCP_GATEWAY_CADDYFILE=./mcp-stack.vm.Caddyfile
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# MCP_SITE_ADDRESS=mcp-stack.isti.cnr.it
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# MCP_TLS_CONTACT=lucio.lelii@isti.cnr.it
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# MCP_BIND_ADDRESS=0.0.0.0
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# The public address a person opens a preview at - the same host the gateway serves, since the
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# preview rides the /preview/ route on it. Leave unset on a laptop stack: without it the dev loop
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# still works (the browser reaches instances internally) and no preview links are handed out.
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DEV_SERVER_PREVIEW_BASE_URL=https://mcp.sse.cloud.isti.cnr.it
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# Two clocks on a running instance. Idle asks whether anybody is still looking - a preview request
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# or an MCP call resets it - and running out stops the process while keeping the copy, so coming
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# back costs a restart and not a reinstall. The absolute one runs regardless and discards
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# everything, which is the only thing that ever gives the disk back.
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DEV_SERVER_IDLE_TIMEOUT_SECONDS=7200
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DEV_SERVER_MAX_LIFETIME_SECONDS=86400
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