fix: install ca-certificates

fluxer_server/Dockerfile

@@ -10,11 +10,13 @@ WORKDIR /usr/src/app
 RUN corepack enable && corepack prepare pnpm@10.26.0 --activate
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
-	curl \
-	python3 \
-	make \
-	g++ \
-	&& rm -rf /var/lib/apt/lists/*
+    curl \
+    python3 \
+    make \
+    g++ \
+    ca-certificates \
+ && update-ca-certificates \
+ && rm -rf /var/lib/apt/lists/*
 
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y \
     --default-toolchain stable --profile minimal \