diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index bd344da..6b613e0 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -41,31 +41,104 @@ jobs:
           PORTAINER_API_KEY: ${{ secrets.PORTAINER_API_KEY }}
           PORTAINER_ENDPOINT_ID: ${{ secrets.PORTAINER_ENDPOINT_ID }}
         run: |
-          STACK_ID=$(curl -sf \
+          set -u
+
+          echo "Portainer deploy debug"
+          echo "PORTAINER_URL=${PORTAINER_URL}"
+          echo "STACK_NAME=${STACK_NAME}"
+          echo "PORTAINER_ENDPOINT_ID=${PORTAINER_ENDPOINT_ID}"
+
+          PORTAINER_HOST=$(printf '%s' "${PORTAINER_URL}" | sed -E 's#^[a-zA-Z]+://##; s#/.*$##; s/:.*$//')
+          echo "Resolved host target: ${PORTAINER_HOST}"
+
+          if command -v getent >/dev/null 2>&1; then
+            echo "Host lookup (getent):"
+            getent hosts "${PORTAINER_HOST}" || true
+          fi
+
+          STACKS_BODY=$(mktemp)
+          STACKS_ERR=$(mktemp)
+
+          STACKS_HTTP_CODE=$(curl -sS \
+            -o "${STACKS_BODY}" \
+            -w "%{http_code}" \
             "${PORTAINER_URL}/api/stacks" \
             -H "X-API-Key: ${PORTAINER_API_KEY}" \
-            | jq -r --arg stack_name "$STACK_NAME" '.[] | select(.Name == $stack_name) | .Id' \
-            | head -n 1)
+            2>"${STACKS_ERR}")
+          STACKS_CURL_EXIT=$?
+
+          echo "GET /api/stacks curl exit: ${STACKS_CURL_EXIT}"
+          echo "GET /api/stacks http code: ${STACKS_HTTP_CODE}"
+          echo "GET /api/stacks stderr:"
+          cat "${STACKS_ERR}" || true
+          echo "GET /api/stacks response body:"
+          cat "${STACKS_BODY}" || true
+
+          if [ "${STACKS_CURL_EXIT}" -ne 0 ]; then
+            echo "Failed to reach Portainer API while listing stacks."
+            exit "${STACKS_CURL_EXIT}"
+          fi
+
+          if [ "${STACKS_HTTP_CODE}" -lt 200 ] || [ "${STACKS_HTTP_CODE}" -ge 300 ]; then
+            echo "Portainer returned a non-success status for stack listing."
+            exit 1
+          fi
+
+          STACK_ID=$(jq -r --arg stack_name "${STACK_NAME}" '.[] | select(.Name == $stack_name) | .Id' "${STACKS_BODY}" | head -n 1)
+
+          APPLY_BODY=$(mktemp)
+          APPLY_ERR=$(mktemp)
+
+          if [ -n "${STACK_ID}" ]; then
+            echo "Existing stack found with id=${STACK_ID}; sending update request"
 
-          if [ -n "$STACK_ID" ]; then
             PAYLOAD=$(jq -n \
               --rawfile stack_file docker-compose.prod.yml \
               '{StackFileContent: $stack_file, Env: [], Prune: false, PullImage: false}')
 
-            curl -sf -X PUT \
+            APPLY_HTTP_CODE=$(curl -sS -X PUT \
+              -o "${APPLY_BODY}" \
+              -w "%{http_code}" \
               "${PORTAINER_URL}/api/stacks/${STACK_ID}?endpointId=${PORTAINER_ENDPOINT_ID}" \
               -H "X-API-Key: ${PORTAINER_API_KEY}" \
               -H "Content-Type: application/json" \
-              -d "$PAYLOAD"
+              -d "${PAYLOAD}" \
+              2>"${APPLY_ERR}")
+            APPLY_CURL_EXIT=$?
           else
+            echo "Stack not found; sending create request"
+
             PAYLOAD=$(jq -n \
-              --arg name "$STACK_NAME" \
+              --arg name "${STACK_NAME}" \
               --rawfile stack_file docker-compose.prod.yml \
               '{Name: $name, StackFileContent: $stack_file, Env: [], FromAppTemplate: false}')
 
-            curl -sf -X POST \
+            APPLY_HTTP_CODE=$(curl -sS -X POST \
+              -o "${APPLY_BODY}" \
+              -w "%{http_code}" \
               "${PORTAINER_URL}/api/stacks/create/standalone/string?endpointId=${PORTAINER_ENDPOINT_ID}" \
               -H "X-API-Key: ${PORTAINER_API_KEY}" \
               -H "Content-Type: application/json" \
-              -d "$PAYLOAD"
+              -d "${PAYLOAD}" \
+              2>"${APPLY_ERR}")
+            APPLY_CURL_EXIT=$?
           fi
+
+          echo "Apply curl exit: ${APPLY_CURL_EXIT}"
+          echo "Apply http code: ${APPLY_HTTP_CODE}"
+          echo "Apply stderr:"
+          cat "${APPLY_ERR}" || true
+          echo "Apply response body:"
+          cat "${APPLY_BODY}" || true
+
+          if [ "${APPLY_CURL_EXIT}" -ne 0 ]; then
+            echo "Failed to reach Portainer API while applying stack changes."
+            exit "${APPLY_CURL_EXIT}"
+          fi
+
+          if [ "${APPLY_HTTP_CODE}" -lt 200 ] || [ "${APPLY_HTTP_CODE}" -ge 300 ]; then
+            echo "Portainer returned a non-success status while applying stack changes."
+            exit 1
+          fi
+
+          echo "Portainer deploy step completed successfully"