Remove test values

.env.example

@@ -1,12 +1,20 @@
-WALLET_SIGNING_KEY=GD6CFUZGJI7X3RWOUBC3PDBWW3MZQVXJBRZYIHZWU26IGJ4DUDAPK4H4
+# Generate a new keypair that will sign the payload when requesting this backend. Add here the Public Key.
+WALLET_SIGNING_KEY=
 
 # Generate a new keypair for the distribution account.
-DISTRIBUTION_ACCOUNT_PUBLIC_KEY=GDHQ4ILW7MPA3KWM2DVKAXNFV4JJWBS56ILUZ3ZGCT3W3UO5TITDITU6
-DISTRIBUTION_ACCOUNT_PRIVATE_KEY=SCCMKKQKFIEGCHGRUD6UJGAN5VV7D7GZ3434KE2NLI7GBIUAWRV6R6UB
+DISTRIBUTION_ACCOUNT_PUBLIC_KEY=
+DISTRIBUTION_ACCOUNT_SIGNATURE_PROVIDER=ENV
 
-NETWORK=testnet
+# Env Signature Client
+DISTRIBUTION_ACCOUNT_PRIVATE_KEY=
 
-TRACKER_DSN=https://[email protected]/4507964973449216
-CHANNEL_ACCOUNT_ENCRYPTION_PASSPHRASE=GB3SKOV2DTOAZVYUXFAM4ELPQDLCF3LTGB4IEODUKQ7NDRZOOESSMNU7
-STELLAR_ENVIRONMENT=development
-RPC_URL=http://soroban-rpc:8000
+# KMS Signature Client
+KMS_KEY_ARN=
+AWS_REGION=
+# Using KMS locally is necessary to inject the AWS credentials envs inside the container.
+AWS_ACCESS_KEY_ID=
+AWS_SECRET_ACCESS_KEY=
+AWS_SESSION_TOKEN=
+
+# Channel Accounts
+CHANNEL_ACCOUNT_ENCRYPTION_PASSPHRASE=