use slim image for build stage and specify all labels on one line wit…

…h '\'s

Dockerfile

@@ -1,8 +1,5 @@
-FROM debian:bookworm-20240211@sha256:4482958b4461ff7d9fabc24b3a9ab1e9a2c85ece07b2db1840c7cbc01d053e90 AS build
-LABEL org.opencontainers.image.source=https://github.com/nam20485/OdbDesign
-LABEL org.opencontainers.image.authors=https://github.com/nam20485
-LABEL org.opencontainers.image.description="The OdbDesign Docker image runs the OdbDesignServer REST API server executable, listening on port 8888."
-LABEL org.opencontainers.image.licenses=MIT
+#FROM debian:bookworm-20240211@sha256:4482958b4461ff7d9fabc24b3a9ab1e9a2c85ece07b2db1840c7cbc01d053e90 AS build
+FROM debian:bookworm-20240211-slim@sha256:d02c76d82364cedca16ba3ed6f9102406fa9fa8833076a609cabf14270f43dfc AS build
 
 ARG OWNER=nam20485
 ARG GITHUB_TOKEN="PASSWORD"
@@ -72,11 +69,12 @@ RUN cmake --build --preset linux-release
 # RUN cmake --build --preset linux-debug
 
 # much smaller runtime image
-FROM debian:bookworm-20240211-slim@sha256:d02c76d82364cedca16ba3ed6f9102406fa9fa8833076a609cabf14270f43dfc AS run
-LABEL org.opencontainers.image.source=https://github.com/nam20485/OdbDesign
-LABEL org.opencontainers.image.authors=https://github.com/nam20485
-LABEL org.opencontainers.image.description="The OdbDesign Docker image runs the OdbDesignServer REST API server executable, listening on port 8888."
-LABEL org.opencontainers.image.licenses=MIT
+#FROM debian:bookworm-20240211-slim@sha256:d02c76d82364cedca16ba3ed6f9102406fa9fa8833076a609cabf14270f43dfc AS run
+FROM debian:bookworm-20240211@sha256:4482958b4461ff7d9fabc24b3a9ab1e9a2c85ece07b2db1840c7cbc01d053e90 as run
+LABEL org.opencontainers.image.source=https://github.com/nam20485/OdbDesign \
+      org.opencontainers.image.authors=https://github.com/nam20485 \
+      org.opencontainers.image.description="The OdbDesign Docker image runs the OdbDesignServer REST API server executable, listening on port 8888." \
+      org.opencontainers.image.licenses=MIT
 EXPOSE 8888
 
 RUN mkdir --parents /OdbDesign/bin