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strongSwan: switch base image to debian-slim #1033

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Dec 2, 2022
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strongSwan: switch base image to debian-slim #1033

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9 changes: 6 additions & 3 deletions modules/cloud-config-container/onprem/docker-images/strongswan/Dockerfile
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Expand Up @@ -12,10 +12,13 @@
# See the License for the specific language governing permissions and
# limitations under the License.

FROM alpine:latest
FROM debian:bullseye-slim

RUN set -xe \
&& apk add --no-cache strongswan bash sudo
ENV STRONGSWAN_VERSION=5.9

RUN apt-get update \
&& DEBIAN_FRONTEND=noninteractive apt-get install -y sudo iptables procps strongswan=${STRONGSWAN_VERSION}* \
&& rm -rf /var/lib/apt/lists/*

COPY entrypoint.sh /entrypoint.sh
RUN chmod 0755 /entrypoint.sh
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2 changes: 1 addition & 1 deletion modules/cloud-config-container/onprem/docker-images/strongswan/entrypoint.sh
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Expand Up @@ -22,7 +22,7 @@ _stop_ipsec() {
echo "Shutting down strongSwan/ipsec..."
ipsec stop
}
trap _stop_ipsec SIGTERM
trap _stop_ipsec TERM

# Making the containter to work as a default gateway for LAN_NETWORKS
iptables -t nat -A POSTROUTING -s ${LAN_NETWORKS} -o ${VPN_DEVICE} -m policy --dir out --pol ipsec -j ACCEPT
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