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chore: add .env.example with all required backend variables #462

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ryzen-xp merged 1 commit into from
Apr 29, 2026
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chore: add .env.example with all required backend variables #462

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36 changes: 22 additions & 14 deletions backend/.env.example
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Original file line number Diff line number Diff line change
@@ -1,24 +1,32 @@
# Stellar Configuration
STELLAR_RPC_URL=https://soroban-testnet.stellar.org
CORE_CONTRACT_ID=C...
ESCROW_CONTRACT_ID=C...
FACTORY_CONTRACT_ID=C...
AUCTION_CONTRACT_ID=C...
# --- Server Configuration ---
PORT=3000 # The port the backend server will run on
TYPEORM_SYNCHRONIZE=true # Auto-sync database schema (Set to false in production)

# Database Configuration
# --- Database Configuration ---
# Individual connection parameters (used by some services)
POSTGRES_USER=alien
POSTGRES_PASSWORD=alienpassword
POSTGRES_DB=alien_gateway
POSTGRES_PORT=5432
# Full connection string used by the TypeORM data source
DATABASE_URL=postgres://alien:alienpassword@localhost:5432/alien_gateway

# API Authentication
API_KEYS=key1,key2,key3 # Comma-separated list of valid API keys
# --- Stellar / Soroban Configuration ---
# RPC endpoints for interacting with the Soroban network
STELLAR_RPC_URL=https://soroban-testnet.stellar.org
SOROBAN_RPC_URL=https://soroban-testnet.stellar.org
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@coderabbitai coderabbitai Bot Apr 29, 2026

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⚠️ Potential issue | 🟡 Minor

Remove trailing whitespace on SOROBAN_RPC_URL.

Line 17 has a trailing space, which is causing a lint warning.

Suggested diff 
-SOROBAN_RPC_URL=https://soroban-testnet.stellar.org 
+SOROBAN_RPC_URL=https://soroban-testnet.stellar.org
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
SOROBAN_RPC_URL=https://soroban-testnet.stellar.org
SOROBAN_RPC_URL=https://soroban-testnet.stellar.org
🧰 Tools
🪛 dotenv-linter (4.0.0)

[warning] 17-17: [TrailingWhitespace] Trailing whitespace detected

(TrailingWhitespace)

[warning] 17-17: [UnorderedKey] The SOROBAN_RPC_URL key should go before the STELLAR_RPC_URL key

(UnorderedKey)

🤖 Prompt for AI Agents 
Verify each finding against the current code and only fix it if needed.

In `@backend/.env.example` at line 17, Remove the trailing whitespace after the
SOROBAN_RPC_URL value in .env.example (the line with the SOROBAN_RPC_URL
variable) so the value ends exactly with the URL and no extra space; update the
SOROBAN_RPC_URL entry to "https://soroban-testnet.stellar.org" with no trailing
characters and save the file to eliminate the lint warning.

# Network identifier for transaction signing
STELLAR_NETWORK_PASSPHRASE="Test SDF Network ; September 2015"

KEEPER_ENABLED=false
KEEPER_SECRET_KEY=
# --- Smart Contract IDs ---
CORE_CONTRACT_ID=C... # The main protocol contract address
ESCROW_CONTRACT_ID=C... # Escrow logic contract address
FACTORY_CONTRACT_ID=C... # Factory for creating new protocol instances
AUCTION_CONTRACT_ID=C... # Auction mechanism contract address

STELLAR_NETWORK_PASSPHRASE="Test SDF Network ; September 2015"
# --- API Authentication ---
API_KEYS=key1,key2,key3 # Comma-separated list of valid API keys for guarding routes

TYPEORM_SYNCHRONIZE=true
PORT=3000
# --- Keeper Service (Automation) ---
KEEPER_ENABLED=false # Toggle for background automation tasks
KEEPER_SECRET_KEY= # Private key used by the keeper to sign transactions
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