Adapt Wazuh agent Dockerfile s6 overlay for multi-architecture support

build-docker-images/wazuh-agent/Dockerfile

@@ -12,6 +12,7 @@ ARG WAZUH_REGISTRATION_SERVER='CHANGE_ENROLL_IP'
 ARG WAZUH_REGISTRATION_PORT='CHANGE_ENROLL_PORT'
 ARG WAZUH_AGENT_NAME='CHANGE_AGENT_NAME'
 ARG WAZUH_AGENT_GROUPS='CHANGE_AGENT_GROUPS'
+ARG TARGETARCH
 
 COPY config/check_repository.sh /
 
@@ -24,11 +25,13 @@ RUN source /check_repository.sh
 RUN yum install wazuh-agent-${WAZUH_VERSION}-${WAZUH_TAG_REVISION} -y && \
     yum clean all && \
     sed -i '/<authorization_pass_path>/d' /var/ossec/etc/ossec.conf && \
-    curl --fail --silent -L https://github.com/just-containers/s6-overlay/releases/download/${S6_VERSION}/s6-overlay-amd64.tar.gz \
+    S6_ARCH="amd64" && \
-    -o /tmp/s6-overlay-amd64.tar.gz && \
+    if [ "${TARGETARCH}" = "arm64" ]; then S6_ARCH="aarch64"; fi && \
-    tar xzf /tmp/s6-overlay-amd64.tar.gz -C / --exclude="./bin" && \
+    curl --fail --silent -L https://github.com/just-containers/s6-overlay/releases/download/${S6_VERSION}/s6-overlay-${S6_ARCH}.tar.gz \
-    tar xzf /tmp/s6-overlay-amd64.tar.gz -C /usr ./bin && \
+    -o /tmp/s6-overlay-${S6_ARCH}.tar.gz && \
-    rm  /tmp/s6-overlay-amd64.tar.gz
+    tar xzf /tmp/s6-overlay-${S6_ARCH}.tar.gz -C / --exclude="./bin" && \
+    tar xzf /tmp/s6-overlay-${S6_ARCH}.tar.gz -C /usr ./bin && \
+    rm  /tmp/s6-overlay-${S6_ARCH}.tar.gz
 
 COPY config/etc/ /etc/