Fix naev-steamruntime installing packages during building

Author: ProjectSynchro

CHANGELOG.md

@@ -15,6 +15,7 @@
 - Update dependencies in `naev-release`
 - Move away from ucrt64 packages to maintain ABI compatibility and help with rust compatibility in `naev-windows`
 - Update OpenBLAS to 0.3.29 in `naev-windows`
+- Fix `naev-steamruntime` installing packages during building
 
 ### v1.12.4
 - `naev-windows`, `naev-release`, and `naev-docs` also try to use a recent meson as fedora 41 version is too old for rust

naev-steamruntime/Dockerfile

@@ -20,7 +20,8 @@ ENV CFLAGS "-fPIC"
 ENV CXXFLAGS "-fPIC"
 
 # Install luarocks deps
-RUN apt-get -y install lua5.4 liblua5.4-dev make libncurses-dev libevent-dev libreadline-dev && \
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
+    apt-get -y install lua5.4 liblua5.4-dev make libncurses-dev libevent-dev libreadline-dev && \
 # Build luarocks
     curl -L -O https://luarocks.org/releases/luarocks-3.8.0.tar.gz && \
     tar zxpf luarocks-3.8.0.tar.gz && \
@@ -128,10 +129,11 @@ LABEL org.opencontainers.image.description "Used for testing linux steam builds
 ENV IMAGE_NAME "naev-steamruntime"
 
 # Remove libopenal-dev and libopenal1, as we want to use our own built version.
-RUN DEBIAN_FRONTEND=noninteractive apt-get remove -y libopenal*
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
+    apt-get remove -y libopenal* && \
+    apt-get clean
 COPY --from=build /opt/libs/usr/ /usr
 
-
 # Install pip from steam/debian repositories.
 RUN DEBIAN_FRONTEND=noninteractive apt-get install -y python3-pip \
 # Install LLVM and LLD for clang and friends