Updated .env.sample for completion (#332)

* Updated .env.sample for completion

* Added new values and units to .env.sample

* Commented out more values

.env.sample

@@ -1,12 +1,53 @@
-TRANSACTION_SERVICE_URL=https://safe-transaction.staging.gnosisdev.com
+## rinkeby
+# TRANSACTION_SERVICE_URL=https://safe-transaction.rinkeby.staging.gnosisdev.com
+# TRANSACTION_SERVICE_URL=https://safe-transaction.rinkeby.gnosis.io
+
+## mainnet
+# TRANSACTION_SERVICE_URL=https://safe-transaction.mainnet.staging.gnosisdev.com
+TRANSACTION_SERVICE_URL=https://safe-transaction.gnosis.io
+
 SCHEME=http
 # Random string (generated with openssl rand -base64 32)
 ROCKET_SECRET_KEY=Qt6DPFUU8qO4BKTCQnKAgt9FBBJxIWAYUGyHuruVfpE=
 ROCKET_LOG=off
 ROCKET_DATABASES={service_cache={url="redis://127.0.0.1:6379"}}
+ROCKET_PORT=8000
+ROCKET_ADDRESS=127.0.0.1
 #ROCKET_PORT=8000
 #ROCKET_ADDRESS=localhost
 WEBHOOK_TOKEN=some_random_token
 #Rocket logs are noise-y, this value filters the logs for errors and our perf monitor
 #Set to "debug" when developing
 RUST_LOG=safe_client_gateway=error,safe_client_gateway::monitoring=info
+LOG_ALL_ERROR_RESPONSES=false
+
+## Time outs for caches (all have defaults in the code)
+## The unit of these values is "seconds"
+# cache
+#SAFE_INFO_CACHE_DURATION=1
+#ADDRESS_INFO_CACHE_DURATION=1
+#TOKEN_INFO_CACHE_DURATION=1
+#EXCHANGE_API_CACHE_DURATION=1
+#REQUEST_CACHE_DURATION=1
+#ABOUT_CACHE_DURATION=1
+#BALANCES_REQUEST_CACHE_DURATION=1
+#SAFE_APP_MANIFEST_CACHE_DURATION=1
+#REQS_ERROR_CACHE_DURATION=1
+#INDEFINITE_TIMEOUT=1 # long cache duration of your choice
+#SHORT_ERROR_DURATION=1
+#LONG_ERROR_DURATION=1
+
+## Http request time outs
+## The unit of these values is "milliseconds"
+INTERNAL_CLIENT_CONNECT_TIMEOUT=10000
+SAFE_APP_INFO_REQUEST_TIMEOUT=10000
+
+## Miscelaneous config
+#REDIS_SCAN_COUNT=300
+#NATIVE_COIN_DECIMALS=18
+#NATIVE_COIN_SYMBOL=ETH
+#NATIVE_COIN_NAME=Ether
+
+## Exchange rate API: https://exchangeratesapi.io/
+EXCHANGE_API_BASE_URL=http://api.exchangeratesapi.io/latest
+EXCHANGE_API_KEY=your_exchange_rate_api_token