Just tried deploying a new version of my nodejs app but it looks like the builder is not able to make requests to yarnpkg.com:
▲ fly deploy --remote-only --no-cache
==> Verifying app config
--> Verified app config
==> Building image
Remote builder fly-builder-rough-dawn-9852 ready
==> Creating build context
--> Creating build context done
==> Building image with Docker
--> docker host: 20.10.12 linux x86_64
[+] Building 0.6s (0/1)
[+] Building 10.7s (8/15)
=> [internal] load remote build context 0.0s
=> copy /context / 0.2s
=> [internal] load metadata for docker.io/library/node:18.6.0-alpine 0.8s
=> CACHED [ 1/12] FROM docker.io/library/node:18.6.0-alpine@sha256:b3ca07adf425d043e180464aac97cb4f7a566651f77f4ecb87b10c10788644bb 0.0s
=> [ 2/12] RUN apk add --no-cache curl vim 1.1s
=> [ 3/12] WORKDIR /app 0.0s
=> [ 4/12] COPY package.json yarn.lock ./ 0.0s
=> ERROR [ 5/12] RUN yarn install 8.5s
------
> [ 5/12] RUN yarn install:
#8 0.464 yarn install v1.22.19
#8 0.569 [1/4] Resolving packages...
#8 1.153 [2/4] Fetching packages...
#8 1.337 error An unexpected error occurred: "https://registry.yarnpkg.com/glob/-/glob-8.0.3.tgz: connect ENETUNREACH 2606:4700::6810:1a23:443".
#8 1.337 info If you think this is a bug, please open a bug report with the information provided in "/app/yarn-error.log".
#8 1.337 info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
#8 1.338 error https://registry.yarnpkg.com/ejs/-/ejs-3.1.8.tgz: connect ENETUNREACH 2606:4700::6810:1a23:443
#8 2.350 error https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.7.tgz: connect ENETUNREACH 2606:4700::6810:1a23:443
#8 4.371 error https://registry.yarnpkg.com/@types/ejs/-/ejs-3.1.1.tgz: connect ENETUNREACH 2606:4700::6810:1a23:443
#8 8.462 error https://registry.yarnpkg.com/@types/pug/-/pug-2.0.6.tgz: connect ENETUNREACH 2606:4700::6810:1a23:443
------
Error failed to fetch an image or build from source: error building: executor failed running [/bin/sh -c yarn install]: exit code: 1