gatsby: gatsby-image randomly fails on bitbucket pipelines

Description

I have a project that downloads content from Google Drive to a content folder. This folder contains images, among other things. To be able to use gatsby-image with these images dynamically, i have made an Image component as seen below. When i build the project on my local machine, or my coworkers’ machines, it succeeds. However, when the Bitbucket Pipeline for the project runs, gatsby-image fails, as seen in the following build log:

+ yarn build
yarn run v1.15.2
$ gatsby build
success open and validate gatsby-configs — 0.074 s
success load plugins — 0.291 s
success onPreInit — 0.592 s
success delete html and css files from previous builds — 0.006 s
success initialize cache — 0.007 s
success copy gatsby files — 0.019 s
🚗  Started downloading content
🚗  Creating folder /about
🚗  Creating folder /about/images
🚗  Creating folder /jobs
🚗  Saved file Test.html
🚗  Saved file content.md
🚗  Creating folder /cases
🚗  Creating folder /cases/Mobile Apps
🚗  Creating folder /services
🚗  Saved file team.jpg
🚗  Creating folder /cases/Mobile Apps/Connexii
🚗  Creating folder /cases/Applikationsudvikling
🚗  Creating folder /cases/Applikationsudvikling/Sampension
🚗  Creating folder /cases/Digitale Kundeportaler
🚗  Creating folder /cases/Digitale Kundeportaler/Frederikssund Kommune
🚗  Saved file description.html
🚗  Saved file settings.json
🚗  Saved file mood.jpg
🚗  Saved file background.png
🚗  Saved file settings.json
🚗  Saved file header.html
🚗  Saved file settings.json
🚗  Saved file header.html
🚗  Saved file background.png
🚗  Saved file header.html
🚗  Saved file result.html
🚗  Saved file quote.html
🚗  Saved file background.png
Downloading content: 2656.584ms
success onPreBootstrap — 3.012 s
success source and transform nodes — 0.121 s
success building schema — 0.237 s
success createPages — 0.015 s
success createPagesStatefully — 0.034 s
success onPreExtractQueries — 0.002 s
success update schema — 0.118 s
success extract queries from components — 0.127 s
error Failed to process image /opt/atlassian/pipelines/agent/build/content/cases/Applikationsudvikling/Sampension/background.png
  Error: Input file contains unsupported image format
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

I know that there is not a lot to go in, but any help would really be appreciated, as this is currently preventing deployment to our staging environment!

Steps to reproduce

So this is gonna be a bit hard, as there are so many components involved, and it only fails when running on the CI pipeline. My immediate guess would however be:

1. Setup a project with gatsby-image, below Image component and a content folder with images.
2. Build locally, should succeed
3. Build on Bitbucket Pipelines - fail

Expected result

The project builds successfully.

Actual result

The project build fails.

Environment

Local environment:

  System:
    OS: Linux 4.15 Ubuntu 16.04.6 LTS (Xenial Xerus)
    CPU: (8) x64 Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
    Shell: 5.1.1 - /bin/zsh
  Binaries:
    Node: 11.12.0 - ~/.nvm/versions/node/v11.10.0/bin/node
    Yarn: 1.15.2 - /usr/bin/yarn
    npm: 6.7.0 - ~/.nvm/versions/node/v11.10.0/bin/npm
  Languages:
    Python: 2.7.12 - /usr/bin/python
  Browsers:
    Chrome: 73.0.3683.75
    Firefox: 65.0.1
  npmPackages:
    gatsby: 2.1.38 => 2.1.38 
    gatsby-image: 2.0.34 => 2.0.34 
    gatsby-plugin-emotion: 4.0.6 => 4.0.6 
    gatsby-plugin-google-tagmanager: 2.0.10 => 2.0.10 
    gatsby-plugin-manifest: 2.0.24 => 2.0.24 
    gatsby-plugin-offline: 2.0.25 => 2.0.25 
    gatsby-plugin-react-helmet: 3.0.10 => 3.0.10 
    gatsby-plugin-remove-trailing-slashes: 2.0.10 => 2.0.10 
    gatsby-plugin-sharp: 2.0.29 => 2.0.29 
    gatsby-plugin-sitemap: 2.0.10 => 2.0.10 
    gatsby-plugin-svg-sprite: 2.0.1 => 2.0.1 
    gatsby-plugin-web-font-loader: 1.0.4 => 1.0.4 
    gatsby-transformer-sharp: 2.1.17 => 2.1.17 
  npmGlobalPackages:
    gatsby-cli: 2.4.16

Pipeline environment:

  System:
    OS: Linux 4.19 Debian GNU/Linux 9 (stretch) 9 (stretch)
    CPU: (8) x64 Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz
    Shell: 4.4.12 - /bin/bash
  Binaries:
    Node: 11.12.0 - /usr/local/bin/node
    Yarn: 1.15.2 - /usr/local/bin/yarn
    npm: 6.7.0 - /usr/local/bin/npm
  Languages:
    Python: 2.7.13 - /usr/bin/python
  npmGlobalPackages:
    gatsby-cli: 2.4.16

gatsby-config.js

const sanitizeHtml = require('./src/util/sanitizeDocExport')

module.exports = {
    siteMetadata: {
        title: 'Acto ApS',
        description: 'Tomorrows solution - today',
        author: 'Acto ApS',
        siteUrl: 'https://www.acto.dk'
    },
    plugins: [
        {
            resolve: '@acto/gatsby-plugin-drive',
            options: {
                folderId: '1BvReIbQomAUtNKDmFNPr3iI2MMUVFW8Y',
                keyFile: `${__dirname}/www-acto-dk-682e886da24f.json`,
                destination: `${__dirname}/content`,
                exportGDocs: true,
                exportMimeType: 'text/html',
                exportMiddleware: sanitizeHtml
            }
        },
        'gatsby-plugin-react-helmet',
        {
            resolve: 'gatsby-plugin-web-font-loader',
            options: {
                google: {
                    families: ['Barlow:300,400,600']
                },
                custom: {
                    families: ['LL Simple Regular Web'],
                    urls: ['/fonts/simple-font.css']
                }
            }
        },
        'gatsby-plugin-emotion',
        {
            resolve: '@acto/gatsby-source-filesystem',
            options: {
                name: 'images',
                path: `${__dirname}/src/images`
            }
        },
        {
            resolve: '@acto/gatsby-source-filesystem',
            options: {
                name: 'content',
                path: `${__dirname}/content`
            }
        },
        'gatsby-transformer-sharp',
        {
            resolve: 'gatsby-plugin-sharp',
            options: {
                withWebP: true
            }
        },
        {
            resolve: 'gatsby-plugin-manifest',
            options: {
                name: 'Acto ApS',
                short_name: 'Acto ApS',
                start_url: '/',
                background_color: '#2E2A43',
                theme_color: '#2E2A43',
                // Enables "Add to Homescreen" prompt and disables browser UI (including back button)
                // see https://developers.google.com/web/fundamentals/web-app-manifest/#display
                display: 'standalone',
                icon: 'src/images/favicon.png' // This path is relative to the root of the site.
            }
        },
        {
            resolve: 'gatsby-plugin-google-tagmanager',
            options: {
                id: 'GTM-MSCQMB9',
                includeInDevelopment: false
            }
        },
        'gatsby-plugin-svg-sprite',
        'gatsby-plugin-offline',
        'gatsby-plugin-remove-trailing-slashes',
        'gatsby-plugin-sitemap'
    ]
}

Image component:

import Img from 'gatsby-image'
import { StaticQuery, graphql } from 'gatsby'
import React from 'react'
import PropTypes from 'prop-types'

// Credit: https://gist.github.com/mgrubinger/4b5770c5aec1b1670f839ab9acb14649
// Very hacky solution for creating a reusable Image component, but it will have to do, until this issue is resolved:
// https://github.com/gatsbyjs/gatsby/issues/10482
const Image = props => (
    <StaticQuery
        query={graphql`
            {
                images: allFile(filter: { extension: { regex: "/(jpg|jpeg|png)/" } }) {
                    edges {
                        node {
                            relativePath
                            name
                            childImageSharp {
                                fluid(maxWidth: 600) {
                                    ...GatsbyImageSharpFluid_withWebp
                                }
                            }
                        }
                    }
                }
            }
        `}
        render={data => {
            const { path, alt, ...otherProps } = props

            const image = data.images.edges.find(n => {
                return n.node.relativePath === path
            })

            return image ? (
                <Img
                    fluid={image.node.childImageSharp.fluid}
                    alt={alt}
                    { ...otherProps }
                />
            ) : null
        }}
    />
)

Image.propTypes = {
  alt: PropTypes.string.isRequired,
  path: PropTypes.string.isRequired,
}

export default Image

Bitbucket pipeline config:

pipelines:
  default:
    - step:
        name: Build
        image: node:11.12.0
        caches:
          - node
        script:
          - export S3_BUCKET_NAME="staging.acto.dk"
          - echo $GOOGLE_KEYFILE > www-acto-dk-682e886da24f.json
          - npm i -g gatsby-cli
          - gatsby info
          - yarn
          - yarn build
        artifacts:
          - public/**