How to Resolve \"x509 Certificate Signed by Unknown Authority\" Error in Go Pingdom API Calls?

Resolving "x509 Certificate Signed by Unknown Authority" Error in Go Pingdom API Calls

You are encountering an "x509: certificate signed by unknown authority" error when using the go-pingdom package to communicate with Pingdom's API from your containerized application.

Cause:

This error occurs because the alpine containers you are using are minimal and lack the necessary certificates.

Solution:

There are two possible solutions:

1. Install Certificates:

As suggested by TimCooper, you can install the required certificates using the following command:

apk add --no-cache ca-certificates

2. Use Distroless Containers:

Alternatively, you can use Distroless containers from GoogleContainerTools. These containers are minimal but include some essential packages, including certificates, which can streamline the development process:

FROM gcr.io/distroless/static

USER nobody

ADD build/_output/bin/app /usr/local/bin/app

By implementing either of these solutions, you will be able to resolve the certificate error and successfully make API calls using the go-pingdom package.

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