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Drop unrequired capabilities from containers #677

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May 25, 2023
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17 changes: 14 additions & 3 deletions deploy/manifests/nginx-gateway.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -110,9 +110,11 @@ spec:
mountPath: /etc/nginx
securityContext:
runAsUser: 1001
# FIXME(pleshakov) - figure out which capabilities are required
# dropping ALL and adding only CAP_KILL doesn't work
# Note: CAP_KILL is needed for sending HUP signal to NGINX main process
capabilities:
drop:
- ALL
add:
- KILL
env:
- name: POD_IP
valueFrom:
Expand All @@ -137,3 +139,12 @@ spec:
mountPath: /var/lib/nginx
- name: njs-modules
mountPath: /usr/lib/nginx/modules/njs
securityContext:
capabilities:
drop:
- ALL
add:
- CHOWN
- NET_BIND_SERVICE
- SETGID
- SETUID