Dockerfile no longer building

The current Dockerfile started failing to build on 11/12/2022. Here is the build output:
latest: Pulling from plugins/docker
Digest: sha256:f200f24958d969e4b819a2d7564b45a519b2ffa8823fbc829fde06544e90a198
Status: Image is up to date for plugins/docker:latest
+ /usr/local/bin/dockerd --data-root /var/lib/docker --host=unix:///var/run/docker.sock --insecure-registry ******
Registry credentials or Docker config not provided. Guest mode enabled.
+ /usr/local/bin/docker version
Client:
 Version:           20.10.14
 API version:       1.41
 Go version:        go1.16.15
 Git commit:        a224086
 Built:             Thu Mar 24 01:45:09 2022
 OS/Arch:           linux/amd64
 Context:           default
 Experimental:      true

Server: Docker Engine - Community
 Engine:
  Version:          20.10.14
  API version:      1.41 (minimum version 1.12)
  Go version:       go1.16.15
  Git commit:       87a90dc
  Built:            Thu Mar 24 01:49:54 2022
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          v1.5.11
  GitCommit:        3df54a852345ae127d1fa3092b95168e4a88e2f8
 runc:
  Version:          1.0.3
  GitCommit:        v1.0.3-0-gf46b6ba2
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0
+ /usr/local/bin/docker info
Client:
 Context:    default
 Debug Mode: false

Server:
 Containers: 0
  Running: 0
  Paused: 0
  Stopped: 0
 Images: 0
 Server Version: 20.10.14
 Storage Driver: overlay2
  Backing Filesystem: extfs
  Supports d_type: true
  Native Overlay Diff: false
  userxattr: false
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Cgroup Version: 2
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 3df54a852345ae127d1fa3092b95168e4a88e2f8
 runc version: v1.0.3-0-gf46b6ba2
 init version: de40ad0
 Security Options:
  seccomp
   Profile: default
  cgroupns
 Kernel Version: 5.15.0-1031-azure
 Operating System: Alpine Linux v3.15
 OSType: linux
 Architecture: x86_64
 CPUs: 8
 Total Memory: 31.12GiB
 Name: 58bab363bf2f
 ID: JY52:KJYW:TXFX:PD7Y:5F5E:GCVQ:GAVI:VDBM:EIVW:FCIW:T6F2:NTL3
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: false
 Insecure Registries:
  ******
  127.0.0.0/8
 Live Restore Enabled: false
 Product License: Community Engine

+ /usr/local/bin/docker build --rm=true -f /drone/src/Dockerfile -t 27082a50dd03ce0e3d1afd92390ea2aa624e40f5 . --pull=true --label org.opencontainers.image.created=2023-01-20T07:03:36Z --label org.opencontainers.image.revision=27082a50dd03ce0e3d1afd92390ea2aa624e40f5 --label org.opencontainers.image.source=http://osu.gitea:3069/osuhickeys/container-web-tty.git --label org.opencontainers.image.url=http://osu.gitea:3069/osuhickeys/container-web-tty
Sending build context to Docker daemon  42.67MB

Step 1/9 : FROM alpine
latest: Pulling from library/alpine
8921db27df28: Pulling fs layer
8921db27df28: Verifying Checksum
8921db27df28: Download complete
8921db27df28: Pull complete
Digest: sha256:f271e74b17ced29b915d351685fd4644785c6d1559dd1f2d4189a5e851ef753a
Status: Downloaded newer image for alpine:latest
 ---> 042a816809aa
Step 2/9 : RUN [ ! -e /etc/nsswitch.conf ] && echo 'hosts: files dns' > /etc/nsswitch.conf
 ---> Running in 74f4b94c7ae6
The command '/bin/sh -c [ ! -e /etc/nsswitch.conf ] && echo 'hosts: files dns' > /etc/nsswitch.conf' returned a non-zero code: 1
exit status 1
wrfly / container-web-tty

Dockerfile no longer building #74
