Properly pass build arguments.

.github/workflows/ci.yml

@@ -102,6 +102,7 @@ jobs:
           build-args: |
             REPO_OWNER=${{ steps.meta.outputs.repo_owner }}
             REPO_NAME=${{ steps.meta.outputs.repo_name }}
+            BASE_TAG=base
             BRANCH=${{ github.ref_name }}
             REPO_URL=https://github.com/${{ github.repository }}
             TIMESTAMP=${{ steps.timestamp.outputs.timestamp }}

docker/Dockerfile

@@ -1,8 +1,3 @@
-# Define base image build arguments (must be before any FROM)
-ARG REPO_OWNER=dispatcharr
-ARG REPO_NAME=dispatcharr
-ARG BASE_TAG=base
-
 # --- Build frontend ---
 FROM node:20 AS frontend-builder
 WORKDIR /app/frontend
@@ -11,6 +6,11 @@ RUN corepack enable && corepack prepare yarn@stable --activate && \
     yarn install && yarn build && \
     rm -rf node_modules .cache
 
+# --- Redeclare build arguments for the next stage ---
+ARG REPO_OWNER
+ARG REPO_NAME
+ARG BASE_TAG
+
 # --- Final image based on the dynamic base ---
 FROM ghcr.io/${REPO_OWNER}/${REPO_NAME}:${BASE_TAG} AS final
 ENV VIRTUAL_ENV=/dispatcharrpy