failed to connect before the deadline endorser

[kareemkemoo95]

###content of explorer docker-compose file :
SPDX-License-Identifier: Apache-2.0
version: '2.1'

volumes:
pgdata:
walletstore:

networks:
pharma:
name: network_pharmacy
external: true

services:

explorerdb.pharma-network.com:
image: hyperledger/explorer-db:1.1.6
container_name: explorerdb.pharma-network.com
hostname: explorerdb.pharma-network.com
environment:

DATABASE_DATABASE=fabricexplorer
DATABASE_USERNAME=hppoc
DATABASE_PASSWORD=password
healthcheck:
test: "pg_isready -h localhost -p 5432 -q -U postgres"
interval: 30s
timeout: 10s
retries: 5
volumes:
pgdata:/var/lib/postgresql/data
networks:
pharma
explorer.pharma-network.com:
image: hyperledger/explorer:1.1.6
container_name: explorer.pharma-network.com
hostname: explorer.pharma-network.com
environment:

DATABASE_HOST=explorerdb.pharma-network.com
DATABASE_DATABASE=fabricexplorer
DATABASE_USERNAME=hppoc
DATABASE_PASSWD=password
LOG_LEVEL_APP=debug
LOG_LEVEL_DB=debug
LOG_LEVEL_CONSOLE=info
LOG_CONSOLE_STDOUT=true
DISCOVERY_AS_LOCALHOST=false
volumes:
./config.json:/opt/explorer/app/platform/fabric/config.json
./connection-profile:/opt/explorer/app/platform/fabric/connection-profile
./crypto-config:/tmp/crypto
walletstore:/opt/explorer/wallet
ports:
"8080:8080"
depends_on:
explorerdb.pharma-network.com:
condition: service_healthy
networks:
pharma
###connection profile content ::

{
"name": "network_pharmacy",
"version": "1.0.0",
"client": {
"tlsEnable": true,
"adminCredential": {
"id": "admin",
"password": "adminpw"
},
"enableAuthentication": true,
"organization": "retailerMSP",
"connection": {
"timeout": {
"peer": {
"endorser": "300"
},
"orderer": "300"
}
}
},
"channels": {
"pharmachannel": {
"peers": {
"peer0.retailer.pharma-network.com": {}
}
}
},
"organizations": {
"retailerMSP": {
"mspid": "retailerMSP",
"adminPrivateKey": {
"path": "/tmp/crypto/peerOrganizations/retailer.pharma-network.com/users/Admin@retailer.pharma-network.com/msp/keystore/priv_sk"
},
"peers": [
"peer0.retailer.pharma-network.com"
],
"signedCert": {
"path": "/tmp/crypto/peerOrganizations/retailer.pharma-network.com/users/Admin@retailer.pharma-network.com/msp/signcerts/Admin@retailer.pharma-network.com-cert.pem"
}
}
},
"peers": {
"peer0.retailer.pharma-network.com": {
"tlsCACerts": {
"path": "/tmp/crypto/peerOrganizations/retailer.pharma-network.com/peers/peer0.retailer.pharma-network.com/tls/ca.crt"
},
"url": "grpc://peer0.retailer.pharma-network.com:7051"
}
}
}