Add stack for azimuth watchers with gateway-server (#379)

* Setup gateway-server with watchers

* Add js script to merge toml config files

* Remove individual watcher configs

* Add all azimuth watchers in stack

* Fix toml-js install

* Use env variables for ipld-eth-server endpoints

* Checkout to version tag in azimuth-watcher-ts repo

Former-commit-id: 5a94aed7f7

app/data/config/watcher-azimuth/start-server.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+set -e
+if [ -n "$CERC_SCRIPT_DEBUG" ]; then
+  set -x
+fi
+
+CERC_IPLD_ETH_RPC="${CERC_IPLD_ETH_RPC:-${DEFAULT_CERC_IPLD_ETH_RPC}}"
+CERC_IPLD_ETH_GQL="${CERC_IPLD_ETH_GQL:-${DEFAULT_CERC_IPLD_ETH_GQL}}"
+
+echo "Using IPLD ETH RPC endpoint ${CERC_IPLD_ETH_RPC}"
+echo "Using IPLD GQL endpoint ${CERC_IPLD_ETH_GQL}"
+
+# Replace env variables in template TOML file
+# Read in the config template TOML file and modify it
+WATCHER_CONFIG_TEMPLATE=$(cat environments/watcher-config-template.toml)
+WATCHER_CONFIG=$(echo "$WATCHER_CONFIG_TEMPLATE" | \
+  sed -E "s|REPLACE_WITH_CERC_IPLD_ETH_RPC|${CERC_IPLD_ETH_RPC}|g; \
+          s|REPLACE_WITH_CERC_IPLD_ETH_GQL|${CERC_IPLD_ETH_GQL}| ")
+
+# Write the modified content to a new file
+echo "$WATCHER_CONFIG" > environments/watcher-config.toml
+
+# Merge SO watcher config with existing config file
+node merge-toml.js
+
+echo 'yarn server'
+yarn server