fix: moved install command to the correct location (in Dockerfile not in script)

Author: koalamitice

Dockerfile

@@ -32,6 +32,14 @@ RUN jlink \
 FROM debian:bookworm-slim AS runner
 WORKDIR /app
 
+# Install system build tools, needed to build solver dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    gcc \
+    g++ \
+    python3-dev \
+    && rm -rf /var/lib/apt/lists/*
+
 COPY scripts scripts
 
 # Install GAMS with conda python environment

scripts/ci-setup-solvers.sh

@@ -7,13 +7,6 @@ set -e
 # get base directory of the repository
 REPO_DIR=$(dirname "$(dirname "$(readlink -f "$0")")")
 
-RUN apt-get update && apt-get install -y \
-    build-essential \
-    gcc \
-    g++ \
-    python3-dev \
-    && rm -rf /var/lib/apt/lists/*
-
 # make sure to install to the gams conda env
 source /opt/conda/bin/activate gams