diff --git a/backend/services/deploy-mining.sh b/backend/services/deploy-mining.sh
index 33a42bd3..f91964e4 100755
--- a/backend/services/deploy-mining.sh
+++ b/backend/services/deploy-mining.sh
@@ -254,14 +254,13 @@ load_env() {
     fi
 
     # Set defaults (match docker-compose.yml settings)
-    # Must use export so envsubst can access these variables
-    export POSTGRES_HOST="${POSTGRES_HOST:-localhost}"
-    export POSTGRES_PORT="${POSTGRES_PORT:-5432}"
-    export POSTGRES_USER="${POSTGRES_USER:-rwa_user}"
-    export POSTGRES_PASSWORD="${POSTGRES_PASSWORD:-rwa_secure_password}"
-    export KAFKA_BROKERS="${KAFKA_BROKERS:-localhost:9092}"
-    export REDIS_HOST="${REDIS_HOST:-localhost}"
-    export REDIS_PORT="${REDIS_PORT:-6379}"
+    POSTGRES_HOST="${POSTGRES_HOST:-localhost}"
+    POSTGRES_PORT="${POSTGRES_PORT:-5432}"
+    POSTGRES_USER="${POSTGRES_USER:-rwa_user}"
+    POSTGRES_PASSWORD="${POSTGRES_PASSWORD:-rwa_secure_password}"
+    KAFKA_BROKERS="${KAFKA_BROKERS:-localhost:9092}"
+    REDIS_HOST="${REDIS_HOST:-localhost}"
+    REDIS_PORT="${REDIS_PORT:-6379}"
 
     # Docker container names (match docker-compose.yml container_name)
     POSTGRES_CONTAINER="${POSTGRES_CONTAINER:-rwa-postgres}"
diff --git a/backend/services/scripts/debezium/identity-connector.json b/backend/services/scripts/debezium/identity-connector.json
index 4823bd60..4c1b7865 100644
--- a/backend/services/scripts/debezium/identity-connector.json
+++ b/backend/services/scripts/debezium/identity-connector.json
@@ -6,8 +6,8 @@
 
     "database.hostname": "rwa-postgres",
     "database.port": "5432",
-    "database.user": "${POSTGRES_USER}",
-    "database.password": "${POSTGRES_PASSWORD}",
+    "database.user": "rwa_user",
+    "database.password": "your_secure_password_here",
     "database.dbname": "rwa_identity",
 
     "topic.prefix": "cdc.identity",
diff --git a/backend/services/scripts/debezium/planting-connector.json b/backend/services/scripts/debezium/planting-connector.json
index abd27cc8..bf77fd01 100644
--- a/backend/services/scripts/debezium/planting-connector.json
+++ b/backend/services/scripts/debezium/planting-connector.json
@@ -6,8 +6,8 @@
 
     "database.hostname": "rwa-postgres",
     "database.port": "5432",
-    "database.user": "${POSTGRES_USER}",
-    "database.password": "${POSTGRES_PASSWORD}",
+    "database.user": "rwa_user",
+    "database.password": "your_secure_password_here",
     "database.dbname": "rwa_planting",
 
     "topic.prefix": "cdc.planting",
diff --git a/backend/services/scripts/debezium/referral-connector.json b/backend/services/scripts/debezium/referral-connector.json
index 48300952..782bc1e6 100644
--- a/backend/services/scripts/debezium/referral-connector.json
+++ b/backend/services/scripts/debezium/referral-connector.json
@@ -6,8 +6,8 @@
 
     "database.hostname": "rwa-postgres",
     "database.port": "5432",
-    "database.user": "${POSTGRES_USER}",
-    "database.password": "${POSTGRES_PASSWORD}",
+    "database.user": "rwa_user",
+    "database.password": "your_secure_password_here",
     "database.dbname": "rwa_referral",
 
     "topic.prefix": "cdc.referral",
diff --git a/backend/services/scripts/debezium/wallet-connector.json b/backend/services/scripts/debezium/wallet-connector.json
index 5abcc714..1e36f51e 100644
--- a/backend/services/scripts/debezium/wallet-connector.json
+++ b/backend/services/scripts/debezium/wallet-connector.json
@@ -6,8 +6,8 @@
 
     "database.hostname": "postgres",
     "database.port": "5432",
-    "database.user": "${POSTGRES_USER}",
-    "database.password": "${POSTGRES_PASSWORD}",
+    "database.user": "rwa_user",
+    "database.password": "your_secure_password_here",
     "database.dbname": "rwa_wallet",
 
     "topic.prefix": "cdc.wallet",