chore: explicitly install GPG package in containers (#5374)

Signed-off-by: Tushar Sharma <tusharma@nvidia.com>

container/Dockerfile

@@ -568,6 +568,8 @@ RUN apt-get update -y \
         # required for EPP
         ca-certificates \
         libstdc++6 \
+        # required for verification of GPG keys
+        gnupg2 \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
@@ -582,7 +584,6 @@ RUN userdel -r ubuntu > /dev/null 2>&1 || true \
 
 # Set HOME so ModelExpress can find the cache directory
 ENV HOME=/home/dynamo
-
 # Switch to dynamo user
 USER dynamo
 ENV DYNAMO_HOME=/opt/dynamo

container/Dockerfile.sglang

@@ -474,6 +474,13 @@ RUN userdel -r ubuntu > /dev/null 2>&1 || true \
     # NOTE: Setting ENV UMASK=002 does NOT work - umask is a shell builtin, not an environment variable
     && mkdir -p /etc/profile.d && echo 'umask 002' > /etc/profile.d/00-umask.sh
 
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+        # required for verification of GPG keys
+        gnupg2 \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
 # Copy attribution files
 COPY --chmod=664 --chown=dynamo:0 ATTRIBUTION* LICENSE /workspace/
 

container/Dockerfile.trtllm

@@ -679,6 +679,8 @@ RUN if [ ${ARCH_ALT} = "x86_64" ]; then \
         ninja-build \
         git \
         git-lfs \
+        # required for verification of GPG keys
+        gnupg2 \
         # Python runtime - CRITICAL for virtual environment to work
         python${PYTHON_VERSION}-dev \
         python3-pip \

container/Dockerfile.vllm

@@ -650,6 +650,8 @@ RUN apt-get update && \
         jq \
         git \
         git-lfs \
+        # required for verification of GPG keys
+        gnupg2 \
         curl \
         # Libraries required by UCX to find RDMA devices
         libibverbs1 rdma-core ibverbs-utils libibumad3 \