Building current Caddy v2.2.1 with Gandi plugin in Docker is broken due to checksum error

1. Caddy version (caddy version):


2. How I run Caddy:

In official Docker image

a. System environment:

Ubuntu 18.04 as host, Docker container

b. Command:

docker build

c. Service/unit/compose file:

FROM caddy:2.2.1-builder AS builder

RUN xcaddy build v2.2.1 \

FROM caddy:2.2.1

COPY --from=builder /usr/bin/caddy /usr/bin/caddy

d. My complete Caddyfile or JSON config:

Fails before reaching this point

3. The problem I’m having:

When building the Docker image with the Gandi plugin the build process aborts and I get a checksum error when compiling the Gandi plugin.

4. Error messages and/or full log output:

Building web
Step 1/4 : FROM caddy:2.2.1-builder AS builder
 ---> 7fdc765c6443
Step 2/4 : RUN xcaddy build v2.2.1     --with
 ---> Running in ab3fbf199fe9
2020/11/17 15:40:09 [INFO] Temporary folder: /tmp/buildenv_2020-11-17-1540.327276530
2020/11/17 15:40:09 [INFO] Writing main module: /tmp/buildenv_2020-11-17-1540.327276530/main.go
2020/11/17 15:40:09 [INFO] Initializing Go module
2020/11/17 15:40:09 [INFO] exec (timeout=10s): /usr/local/go/bin/go mod init caddy 
go: creating new go.mod: module caddy
2020/11/17 15:40:09 [INFO] Pinning versions
2020/11/17 15:40:09 [INFO] exec (timeout=0s): /usr/local/go/bin/go get -d -v 
go: downloading v2.2.1
go: downloading v0.0.0-20200728195943-123391ffb6de
go: downloading v0.12.0
go: downloading v1.15.0
go: downloading v1.7.1
go: downloading v1.5.0
go: downloading v1.6.0
go: downloading v1.4.2
go: downloading v0.1.3
go: downloading v0.10.0
go: downloading v1.0.1
go: downloading v0.2.0
go: downloading v1.2.5
go: downloading v0.1.1
go: downloading v1.1.30
go: downloading v1.1.0
go: downloading v1.24.0
go: downloading v0.0.0-20200615200032-f1bc736245b1
go: downloading v2.1.1
go: downloading v0.0.0-20200707034311-ab3426394381
go: downloading v0.1.0
go: downloading v1.0.1
go: downloading v0.3.2
2020/11/17 15:40:13 [INFO] exec (timeout=0s): /usr/local/go/bin/go get -d -v 
go: downloading v1.0.1
go get verifying module: checksum mismatch
	downloaded: h1:oF64bX3y8St1KDvqDNHHKlsKSPfCcsjjlrAOY/6ochU= h1:LtTcFXwVqasaOQbJCd2WIQehTw0WPA8DrgKdievSMgU=

This download does NOT match the one reported by the checksum server.
The bits may have been replaced on the origin server, or an attacker may
have intercepted the download attempt.

For more information, see 'go help module-auth'.
2020/11/17 15:40:15 [FATAL] exit status 1

5. What I already tried:

Googled for similar error, could not find a helping resource.

6. Links to relevant resources:

You’re building with, but you need to build with to get the actual Caddy plugin.

Thanks @francislavoie, that was an edit I just made before posting this error report…

In the log file you can see I’m using caddy-dns/gandi plugin.

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Okay – ultimately I think opening that github issue was the right thing to do here :+1:

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Thank you very much for your help.

Hopefully one of the maintainers gets the chance to have a look at it.

The maintainer of this plugin resubmitted the plugin with a new checksum. I will try tomorrow morning if this will resolve my problems.

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Resubmitting the plugin by the maintainer solved my problem. Also see the Github issue for more information.

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