feat: init docs

docs/clusters.md

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+---
+title: Solana Clusters
+---
+
+Solana maintains several different clusters with different purposes.
+
+Before you begin make sure you have first
+[installed the Solana command line tools](cli/install-solana-cli-tools.md)
+
+Explorers:
+
+- [http://explorer.solana.com/](https://explorer.solana.com/).
+- [http://solanabeach.io/](http://solanabeach.io/).
+
+## Devnet
+
+- Devnet serves as a playground for anyone who wants to take Solana for a test
+  drive, as a user, token holder, app developer, or validator.
+- Application developers should target Devnet.
+- Potential validators should first target Devnet.
+- Key differences between Devnet and Mainnet Beta:
+  - Devnet tokens are **not real**
+  - Devnet includes a token faucet for airdrops for application testing
+  - Devnet may be subject to ledger resets
+  - Devnet typically runs the same software release branch version as Mainnet
+    Beta, but may run a newer minor release version than Mainnet Beta.
+- Gossip entrypoint for Devnet: `entrypoint.devnet.solana.com:8001`
+- Metrics environment variable for Devnet:
+
+```bash
+export SOLANA_METRICS_CONFIG="host=https://metrics.solana.com:8086,db=devnet,u=scratch_writer,p=topsecret"
+```
+
+- RPC URL for Devnet: `https://api.devnet.solana.com`
+
+##### Example `solana` command-line configuration
+
+```bash
+solana config set --url https://api.devnet.solana.com
+```
+
+##### Example `solana-validator` command-line
+
+```bash
+$ solana-validator \
+    --identity validator-keypair.json \
+    --vote-account vote-account-keypair.json \
+    --known-validator dv1ZAGvdsz5hHLwWXsVnM94hWf1pjbKVau1QVkaMJ92 \
+    --known-validator dv2eQHeP4RFrJZ6UeiZWoc3XTtmtZCUKxxCApCDcRNV \
+    --known-validator dv4ACNkpYPcE3aKmYDqZm9G5EB3J4MRoeE7WNDRBVJB \
+    --known-validator dv3qDFk1DTF36Z62bNvrCXe9sKATA6xvVy6A798xxAS \
+    --only-known-rpc \
+    --ledger ledger \
+    --rpc-port 8899 \
+    --dynamic-port-range 8000-8020 \
+    --entrypoint entrypoint.devnet.solana.com:8001 \
+    --entrypoint entrypoint2.devnet.solana.com:8001 \
+    --entrypoint entrypoint3.devnet.solana.com:8001 \
+    --entrypoint entrypoint4.devnet.solana.com:8001 \
+    --entrypoint entrypoint5.devnet.solana.com:8001 \
+    --expected-genesis-hash EtWTRABZaYq6iMfeYKouRu166VU2xqa1wcaWoxPkrZBG \
+    --wal-recovery-mode skip_any_corrupted_record \
+    --limit-ledger-size
+```
+
+The
+[`--known-validator`s](running-validator/validator-start.md#known-validators)
+are operated by Solana Labs
+
+## Testnet
+
+- Testnet is where the Solana core contributors stress test recent release
+  features on a live cluster, particularly focused on network performance,
+  stability and validator behavior.
+- Testnet tokens are **not real**
+- Testnet may be subject to ledger resets.
+- Testnet includes a token faucet for airdrops for application testing
+- Testnet typically runs a newer software release branch than both Devnet and
+  Mainnet Beta
+- Gossip entrypoint for Testnet: `entrypoint.testnet.solana.com:8001`
+- Metrics environment variable for Testnet:
+
+```bash
+export SOLANA_METRICS_CONFIG="host=https://metrics.solana.com:8086,db=tds,u=testnet_write,p=c4fa841aa918bf8274e3e2a44d77568d9861b3ea"
+```
+
+- RPC URL for Testnet: `https://api.testnet.solana.com`
+
+##### Example `solana` command-line configuration
+
+```bash
+solana config set --url https://api.testnet.solana.com
+```
+
+##### Example `solana-validator` command-line
+
+```bash
+$ solana-validator \
+    --identity validator-keypair.json \
+    --vote-account vote-account-keypair.json \
+    --known-validator 5D1fNXzvv5NjV1ysLjirC4WY92RNsVH18vjmcszZd8on \
+    --known-validator dDzy5SR3AXdYWVqbDEkVFdvSPCtS9ihF5kJkHCtXoFs \
+    --known-validator Ft5fbkqNa76vnsjYNwjDZUXoTWpP7VYm3mtsaQckQADN \
+    --known-validator eoKpUABi59aT4rR9HGS3LcMecfut9x7zJyodWWP43YQ \
+    --known-validator 9QxCLckBiJc783jnMvXZubK4wH86Eqqvashtrwvcsgkv \
+    --only-known-rpc \
+    --ledger ledger \
+    --rpc-port 8899 \
+    --dynamic-port-range 8000-8020 \
+    --entrypoint entrypoint.testnet.solana.com:8001 \
+    --entrypoint entrypoint2.testnet.solana.com:8001 \
+    --entrypoint entrypoint3.testnet.solana.com:8001 \
+    --expected-genesis-hash 4uhcVJyU9pJkvQyS88uRDiswHXSCkY3zQawwpjk2NsNY \
+    --wal-recovery-mode skip_any_corrupted_record \
+    --limit-ledger-size
+```
+
+The identities of the
+[`--known-validator`s](running-validator/validator-start.md#known-validators)
+are:
+
+- `5D1fNXzvv5NjV1ysLjirC4WY92RNsVH18vjmcszZd8on` - Solana Labs
+- `dDzy5SR3AXdYWVqbDEkVFdvSPCtS9ihF5kJkHCtXoFs` - MonkeDAO
+- `Ft5fbkqNa76vnsjYNwjDZUXoTWpP7VYm3mtsaQckQADN` - Certus One
+- `eoKpUABi59aT4rR9HGS3LcMecfut9x7zJyodWWP43YQ` - SerGo
+- `9QxCLckBiJc783jnMvXZubK4wH86Eqqvashtrwvcsgkv` - Algo|Stake
+
+## Mainnet Beta
+
+A permissionless, persistent cluster for Solana users, builders, validators and
+token holders.
+
+- Tokens that are issued on Mainnet Beta are **real** SOL
+- Gossip entrypoint for Mainnet Beta: `entrypoint.mainnet-beta.solana.com:8001`
+- Metrics environment variable for Mainnet Beta:
+
+```bash
+export SOLANA_METRICS_CONFIG="host=https://metrics.solana.com:8086,db=mainnet-beta,u=mainnet-beta_write,p=password"
+```
+
+- RPC URL for Mainnet Beta: `https://api.mainnet-beta.solana.com`
+
+##### Example `solana` command-line configuration
+
+```bash
+solana config set --url https://api.mainnet-beta.solana.com
+```
+
+##### Example `solana-validator` command-line
+
+```bash
+$ solana-validator \
+    --identity ~/validator-keypair.json \
+    --vote-account ~/vote-account-keypair.json \
+    --known-validator 7Np41oeYqPefeNQEHSv1UDhYrehxin3NStELsSKCT4K2 \
+    --known-validator GdnSyH3YtwcxFvQrVVJMm1JhTS4QVX7MFsX56uJLUfiZ \
+    --known-validator DE1bawNcRJB9rVm3buyMVfr8mBEoyyu73NBovf2oXJsJ \
+    --known-validator CakcnaRDHka2gXyfbEd2d3xsvkJkqsLw2akB3zsN1D2S \
+    --only-known-rpc \
+    --ledger ledger \
+    --rpc-port 8899 \
+    --private-rpc \
+    --dynamic-port-range 8000-8020 \
+    --entrypoint entrypoint.mainnet-beta.solana.com:8001 \
+    --entrypoint entrypoint2.mainnet-beta.solana.com:8001 \
+    --entrypoint entrypoint3.mainnet-beta.solana.com:8001 \
+    --entrypoint entrypoint4.mainnet-beta.solana.com:8001 \
+    --entrypoint entrypoint5.mainnet-beta.solana.com:8001 \
+    --expected-genesis-hash 5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d \
+    --wal-recovery-mode skip_any_corrupted_record \
+    --limit-ledger-size
+```
+
+All four
+[`--known-validator`s](running-validator/validator-start.md#known-validators)
+are operated by Solana Labs

docs/clusters/rpc-endpoints.md

@@ -0,0 +1,65 @@
+---
+title: Solana Cluster RPC Endpoints
+---
+
+Solana maintains dedicated api nodes to fulfill [JSON-RPC](/api) requests for
+each public cluster, and third parties may as well. Here are the public RPC
+endpoints currently available and recommended for each public cluster:
+
+## Devnet
+
+#### Endpoint
+
+- `https://api.devnet.solana.com` - single Solana-hosted api node; rate-limited
+
+#### Rate Limits
+
+- Maximum number of requests per 10 seconds per IP: 100
+- Maximum number of requests per 10 seconds per IP for a single RPC: 40
+- Maximum concurrent connections per IP: 40
+- Maximum connection rate per 10 seconds per IP: 40
+- Maximum amount of data per 30 second: 100 MB
+
+## Testnet
+
+#### Endpoint
+
+- `https://api.testnet.solana.com` - single Solana-hosted api node; rate-limited
+
+#### Rate Limits
+
+- Maximum number of requests per 10 seconds per IP: 100
+- Maximum number of requests per 10 seconds per IP for a single RPC: 40
+- Maximum concurrent connections per IP: 40
+- Maximum connection rate per 10 seconds per IP: 40
+- Maximum amount of data per 30 second: 100 MB
+
+## Mainnet Beta
+
+#### Endpoints\*
+
+- `https://api.mainnet-beta.solana.com` - Solana-hosted api node cluster, backed
+  by a load balancer; rate-limited
+
+#### Rate Limits
+
+- Maximum number of requests per 10 seconds per IP: 100
+- Maximum number of requests per 10 seconds per IP for a single RPC: 40
+- Maximum concurrent connections per IP: 40
+- Maximum connection rate per 10 seconds per IP: 40
+- Maximum amount of data per 30 second: 100 MB
+
+\*The public RPC endpoints are not intended for production applications. Please
+use dedicated/private RPC servers when you launch your application, drop NFTs,
+etc. The public services are subject to abuse and rate limits may change without
+prior notice. Likewise, high-traffic websites may be blocked without prior
+notice.
+
+## Common HTTP Error Codes
+
+- 403 -- Your IP address or website has been blocked. It is time to run your own
+  RPC server(s) or find a private service.
+- 429 -- Your IP address is exceeding the rate limits. Slow down! Use the
+  [Retry-After](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Retry-After)
+  HTTP response header to determine how long to wait before making another
+  request.