fix: Ensure env var references can be passed via include direction …

…of Docker Compose (#380)

Fix envar references

This allows us to pass them via environment variables.

docker-compose.yml

@@ -27,7 +27,10 @@ x-deployer-defaults: &deployer-defaults
 services:
   l2-anvil:
     <<: *anvil-defaults
-    command: ['anvil', '--host', '0.0.0.0', '--port', '${PORT:-8545}', '--rpc-url', '$L2_MAINNET_RPC_URL', '--state', '/var/lib/anvil/state', '--retries', '3', '--timeout', '10000']
+    command: |
+      sh -c '
+        exec anvil --host 0.0.0.0 --port ${PORT:-8545} --rpc-url $$L2_MAINNET_RPC_URL --state /var/lib/anvil/state --retries 3 --timeout 10000
+      '
     environment:
       - L2_MAINNET_RPC_URL
     volumes:
@@ -70,18 +73,21 @@ services:
         cast rpc anvil_autoImpersonateAccount false --rpc-url "$$RPC_URL" > /dev/null
         echo "Deploy complete"
       '
-  
+
   l1-anvil:
     <<: *anvil-defaults
-    command: ['anvil', '--host', '0.0.0.0', '--port', '${PORT:-8545}', '--rpc-url', '$L1_MAINNET_RPC_URL', '--state', '/var/lib/anvil/state', '--retries', '3', '--timeout', '10000']
+    command: |
+      sh -c '
+        exec anvil --host 0.0.0.0 --port ${PORT:-8545} --rpc-url $$L1_MAINNET_RPC_URL --state /var/lib/anvil/state --retries 3 --timeout 10000
+      '
     environment:
       - L1_MAINNET_RPC_URL
     volumes:
       - l1-anvil-data:/var/lib/anvil
       - l1-anvil-cache:/root/.foundry/cache
     ports:
       - '${PORT:-8546}:${PORT:-8545}'
-  
+
   l1-deployer:
     <<: *deployer-defaults
     depends_on: