deps: upgrade docker images

Signed-off-by: Dmitry Kharitonov <[email protected]>

Dockerfile

@@ -8,7 +8,7 @@
 # TARGETARCH
 # Do not upgrade to alpine 3.13 as its nslookup tool returns 1, instead of 0
 # for domain name lookups.
-FROM --platform=${BUILDPLATFORM} docker.io/library/node:15.14.0-alpine3.12@sha256:0b0c5112216cdbacf8a2e55b075c411ef1c726eb6913796b4bfc72237aa5ac58 as stage1
+FROM --platform=${BUILDPLATFORM} docker.io/library/node:16.10.0-alpine3.12@sha256:9db3972145e7e6df84d52680a465dadc3269a728db6bf369dc4178e8bdc56506 as stage1
 RUN apk add bash
 WORKDIR /app
 
@@ -30,6 +30,6 @@ COPY . .
 ARG NODE_ENV=production
 RUN npm run build
 
-FROM docker.io/nginxinc/nginx-unprivileged:1.20.0-alpine@sha256:662f1691b70555829c845b1849e5eece9041a5405cb4206f7eada4da76143374
+FROM docker.io/nginxinc/nginx-unprivileged:1.21.3-alpine@sha256:0271d3f7ca8935104f85e35ea7590ad61df2d629086cea96929ac06fef9571c8
 COPY --from=stage1 /app/server/public /app
 COPY --from=stage1 /app/server/nginx-hubble-ui-frontend.conf /etc/nginx/conf.d/default.conf

backend/Dockerfile

@@ -3,7 +3,7 @@
 # Copyright 2021 Authors of Cilium
 # SPDX-License-Identifier: Apache-2.0
 
-ARG GOLANG_IMAGE=docker.io/library/golang:1.16.3@sha256:7f69ee6e3ea6c3acab98576d8d51bf2e72ed722a0bd4e4363423fddb3958d5af
+ARG GOLANG_IMAGE=docker.io/library/golang:1.16.8@sha256:527d720ce3e2bc9b8900c9c165acfa90a81e1c6f66d3730d5c52726591cf2458
 
 # BUILDPLATFORM is an automatic platform ARG enabled by Docker BuildKit.
 # Represents the plataform where the build is happening, do not mix with
@@ -29,7 +29,7 @@ RUN --mount=target=/root/.cache,type=cache --mount=target=/go/pkg/mod,type=cache
 
 # Do not upgrade to alpine 3.13 as its nslookup tool returns 1, instead of 0
 # for domain name lookups.
-FROM docker.io/library/alpine:3.12.7@sha256:36553b10a4947067b9fbb7d532951066293a68eae893beba1d9235f7d11a20ad
+FROM docker.io/library/alpine:3.12.8@sha256:a296b4c6f6ee2b88f095b61e95c7ef4f51ba25598835b4978c9256d8c8ace48a
 # TARGETOS is an automatic platform ARG enabled by Docker BuildKit.
 ARG TARGETOS
 # TARGETARCH is an automatic platform ARG enabled by Docker BuildKit.