Change UID user on build stage

build-docker-images/wazuh-agent/Dockerfile

@@ -14,8 +14,21 @@ ARG WAZUH_AGENT_NAME='CHANGE_AGENT_NAME'
 ARG TARGETARCH
 ARG wazuh_agent_x86_64_rpm
 ARG wazuh_agent_aarch64_rpm
+ARG WAZUH_UID=101
+ARG WAZUH_GID=101
 
-RUN RPM_ARCH="x86_64" && \
+# Install only runtime dependencies
+RUN dnf install procps shadow-utils -y && \
+    dnf clean all && \
+    getent group wazuh || groupadd -r -g ${WAZUH_GID} wazuh && \
+    getent passwd wazuh || useradd --system \
+        --no-create-home \
+        --home-dir /var/ossec \
+        --uid ${WAZUH_UID} \
+        --gid ${WAZUH_GID} \
+        --shell /sbin/nologin \
+        wazuh && \
+    RPM_ARCH="x86_64" && \
     if [ "${TARGETARCH}" = "arm64" ]; then RPM_ARCH="aarch64"; fi && \
     URL_VAR="wazuh_agent_${RPM_ARCH}_rpm" && \
     agent_url="${!URL_VAR}" && \
@@ -56,10 +69,10 @@ RUN dnf install procps shadow-utils -y && \
         wazuh
 
 # Copy Wazuh Agent installation from builder
-COPY --from=builder --chown=${WAZUH_UID}:${WAZUH_GID} /var/ossec /var/ossec
+COPY --from=builder /var/ossec /var/ossec
 
 # Copy tini static binary
-COPY --from=builder  --chown=${WAZUH_UID}:${WAZUH_GID} /usr/local/bin/tini /usr/local/bin/tini
+COPY --from=builder /usr/local/bin/tini /usr/local/bin/tini
 
 # Copy entrypoint and init scripts
 COPY config/entrypoint.sh /entrypoint.sh