Use backports repo

Dockerfile

@@ -1,3 +1,5 @@
+# syntax=docker/dockerfile:1
+
 ARG ALPINE_VERSION=3.17
 
 # ========================================
@@ -11,6 +13,19 @@ RUN wget https://github.com/cli/cli/releases/download/v2.29.0/gh_2.29.0_linux_am
 FROM alpine:${ALPINE_VERSION}
 ARG ALPINE_VERSION=3.17
 
+RUN echo "http://alpine-ros.seqsense.org/v${ALPINE_VERSION}/backports" >> /etc/apk/repositories
+COPY <<EOF /etc/apk/keys/[email protected]
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnSO+a+rIaTorOowj3c8e
+5St89puiGJ54QmOW9faDsTcIWhycl4bM5lftp8IdcpKadcnaihwLtMLeaHNJvMIP
+XrgEEoaPzEuvLf6kF4IN8HJoFGDhmuW4lTuJNfsOIDWtLBH0EN+3lPuCPmNkULeo
+iS3Sdjz10eB26TYiM9pbMQnm7zPnDSYSLm9aCy+gumcoyCt1K1OY3A9E3EayYdk1
+9nk9IQKA3vgdPGCEh+kjAjnmVxwV72rDdEwie0RkIyJ/al3onRLAfN4+FGkX2CFb
+a17OJ4wWWaPvOq8PshcTZ2P3Me8kTCWr/fczjzq+8hB0MNEqfuENoSyZhmCypEuy
+ewIDAQAB
+-----END PUBLIC KEY-----
+EOF
+
 RUN apk add --no-cache \
     curl \
     findutils \