diff --git a/.github/workflows/deploy-dev.yml b/.github/workflows/deploy-dev.yml
index 480a019..dfb0ca7 100644
--- a/.github/workflows/deploy-dev.yml
+++ b/.github/workflows/deploy-dev.yml
@@ -14,14 +14,32 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
 
-      - name: Set up environment variables
-        uses: falti/dotenv-action@v1.1.4
-        with:
-          export-variables: true
-          keys-case: bypass
-
-      - name: Check environment variables
-        run: env
+      - name: Export environment variables
+        run: |
+          export GROUP_ID="05"
+          export PORT_PREFIX="2"
+          export DEV_POSTFIX="1"
+          export STAG_POSTFIX="2"
+          export PROD_POSTFIX="3"
+          export GATEWAY_POSTFIX="6"
+
+          export DEV_PORT_PREFIX="${PORT_PREFIX}${GROUP_ID}${DEV_POSTFIX}"
+          export STAG_PORT_PREFIX="${PORT_PREFIX}${GROUP_ID}${STAG_POSTFIX}"
+          export PROD_PORT_PREFIX="${PORT_PREFIX}${GROUP_ID}${PROD_POSTFIX}"
+
+          echo "DEV_PORT_PREFIX=$DEV_PORT_PREFIX" >> $GITHUB_ENV
+          echo "STAG_PORT_PREFIX=$STAG_PORT_PREFIX" >> $GITHUB_ENV
+          echo "PROD_PORT_PREFIX=$PROD_PORT_PREFIX" >> $GITHUB_ENV
+          echo "GATEWAY_POSTFIX=$GATEWAY_POSTFIX" >> $GITHUB_ENV
+
+      # - name: Set up environment variables
+      #   uses: falti/dotenv-action@v1.1.4
+      #   with:
+      #     export-variables: true
+      #     keys-case: bypass
+
+      # - name: Check environment variables
+      #   run: env
 
       - name: Stop and remove existing containers
         run: |