ci: Make Docker build work in CI

.github/workflows/build-test-publish.yml

@@ -143,6 +143,3 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-            - TAILWIND_CSS_CLI_VERSION=python -c 'from capella_model_explorer.__main__ import DEFAULTS as d; print(d["TAILWIND_CSS_CLI_VERSION"])'
-            - TAILWIND_CSS_TYPOGRAPHY_VERSION=python -c 'from capella_model_explorer.__main__ import DEFAULTS as d; print(d["TAILWIND_CSS_TYPOGRAPHY_VERSION"])'
-            - TAILWIND_CSS_VERSION=python -c 'from capella_model_explorer.__main__ import DEFAULTS as d; print(d["TAILWIND_CSS_VERSION"])'

Dockerfile

@@ -2,9 +2,6 @@
 # SPDX-License-Identifier: Apache-2.0
 
 FROM python:3.12-slim-bookworm
-ARG TAILWIND_CSS_VERSION
-ARG TAILWIND_CSS_CLI_VERSION
-ARG TAILWIND_CSS_TYPOGRAPHY_VERSION
 USER root
 WORKDIR /app
 ENV HOME=/home
@@ -49,27 +46,30 @@ RUN git config --global --add safe.directory /model && \
 # Run as non-root user per default
 USER 1000
 
-# install tailwindcss stuff {{{
-RUN npm install -D \
-  tailwindcss@${TAILWIND_CSS_VERSION} \
-  @tailwindcss/cli@${TAILWIND_CSS_CLI_VERSION} \
-  @tailwindcss/typography@${TAILWIND_CSS_TYPOGRAPHY_VERSION}
-# }}}
-
 # install uv {{{
 RUN curl -Lo /tmp/install.sh https://astral.sh/uv/install.sh && \
   chmod +x /tmp/install.sh && \
   UV_NO_MODIFY_PATH=1 sh /tmp/install.sh && \
   rm /tmp/install.sh
 # }}}
 
-# install app incl. its cli, elk.js, and build stylesheet {{{
+# install app incl. its cli and install elk.js {{{
 RUN uv venv && \
   # install app
   uv pip install --no-cache-dir . && \
   # Install elk.js automatically into a persistent local cache directory
   # in order to prepare the elk.js execution environment ahead of time.
-  uv run python3 -c "from capellambse_context_diagrams import install_elk; install_elk()" && \
+  uv run python3 -c "from capellambse_context_diagrams import install_elk; install_elk()"
+# }}}
+
+# install tailwindcss stuff {{{
+RUN export TAILWIND_CSS_VERSION="$(python -c 'from capella_model_explorer.__main__ import DEFAULTS as d; print(d["TAILWIND_CSS_VERSION"])')" && \
+  export TAILWIND_CSS_CLI_VERSION="$(python -c 'from capella_model_explorer.__main__ import DEFAULTS as d; print(d["TAILWIND_CSS_CLI_VERSION"])')" && \
+  export TAILWIND_CSS_TYPOGRAPHY_VERSION="$(python -c 'from capella_model_explorer.__main__ import DEFAULTS as d; print(d["TAILWIND_CSS_TYPOGRAPHY_VERSION"])')" && \
+  npm install -D \
+  tailwindcss@${TAILWIND_CSS_VERSION} \
+  @tailwindcss/cli@${TAILWIND_CSS_CLI_VERSION} \
+  @tailwindcss/typography@${TAILWIND_CSS_TYPOGRAPHY_VERSION} && \
   # build stylesheet
   uv run python3 -m capella_model_explorer build css
 # }}}