{"id":22599607,"url":"https://github.com/singularityhub/singularity2docker","last_synced_at":"2025-09-12T18:15:33.915Z","repository":{"id":92776159,"uuid":"129005094","full_name":"singularityhub/singularity2docker","owner":"singularityhub","description":"convert a singularity image back to Docker, full circle! #containerfriends","archived":false,"fork":false,"pushed_at":"2020-05-29T18:28:19.000Z","size":29,"stargazers_count":24,"open_issues_count":0,"forks_count":9,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-04-11T01:41:32.897Z","etag":null,"topics":["converter","docker","singularity","singularity-container"],"latest_commit_sha":null,"homepage":"","language":"Shell","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"agpl-3.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/singularityhub.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2018-04-10T23:08:51.000Z","updated_at":"2025-03-12T10:22:24.000Z","dependencies_parsed_at":null,"dependency_job_id":"f43f3624-fcd6-419f-a325-3d374ab15e94","html_url":"https://github.com/singularityhub/singularity2docker","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/singularityhub/singularity2docker","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/singularityhub%2Fsingularity2docker","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/singularityhub%2Fsingularity2docker/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/singularityhub%2Fsingularity2docker/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/singularityhub%2Fsingularity2docker/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/singularityhub","download_url":"https://codeload.github.com/singularityhub/singularity2docker/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/singularityhub%2Fsingularity2docker/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":274852281,"owners_count":25361775,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-09-12T02:00:09.324Z","response_time":60,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["converter","docker","singularity","singularity-container"],"created_at":"2024-12-08T11:10:39.580Z","updated_at":"2025-09-12T18:15:33.868Z","avatar_url":"https://github.com/singularityhub.png","language":"Shell","readme":"# singularity2docker\n\nThis is a simple script to convert a Singularity image back to Docker, preserving\nenvironment, labels, and runscript. The usage is as follows:\n\n```bash\n./singularity2docker.sh -n newcontainer:tag singularity-container.sif\n```\n\nThe above says \"Create a new container called newcontainer:tag (-n == name) from\nthe Singularity container singularity-container.sif The other argument you can provide\nto skip cleanup of the sandbox (if you intend to build again) is `--no-cleanup`.\n## Prerequisites\n\n- Singularity\n- Docker\n- jq\n\n## Example\n\n```\n$ ./singularity2docker.sh -n newcontainer:tag singularity-container.sif\n\nInput Image: singularity-container.sif\n\n1. Checking for software dependencies, Singularity and Docker...\nFound Singularity 2.4.5-master.g0b17e18\nFound Docker Docker version 18.03.0-ce, build 0520e24\n\n2.  Preparing sandbox for export...\n\n3.  Exporting metadata...\nAdding LABEL \"MAINTAINER\" vanessasaur\nAdding LABEL \"WHATAMI\" dinosaur\nAdding LABEL \"org.label-schema.build-date\" 2017-10-15T12:52:56+00:00\nAdding LABEL \"org.label-schema.build-size\" 333MB\nAdding LABEL \"org.label-schema.schema-version\" 1.0\nAdding LABEL \"org.label-schema.usage.singularity.deffile\" Singularity\nAdding LABEL \"org.label-schema.usage.singularity.deffile.bootstrap\" docker\nAdding LABEL \"org.label-schema.usage.singularity.deffile.from\" ubuntu:14.04\nAdding LABEL \"org.label-schema.usage.singularity.version\" 2.4-feature-squashbuild-secbuild.g780c84d\nAdding command...\n\n4.  Build away, Merrill!\nCreated container newcontainer:tag\ndocker inspect newcontainer:tag\n\n```\n```\n$ docker inspect newcontainer:tag\n[\n    {\n        \"Id\": \"sha256:377b2e59f677aa68281322d55861b8ff22674fce05e76e691030555395c6d5d9\",\n        \"RepoTags\": [\n            \"container:new\",\n            \"newcontainer:tag\"\n        ],\n        \"RepoDigests\": [],\n        \"Parent\": \"sha256:fbe2938963526faecb876ed31486ed024d6251f6aaad926b1993e4f3548903f5\",\n        \"Comment\": \"\",\n        \"Created\": \"2018-04-11T03:41:08.255990981Z\",\n        \"Container\": \"35f0fc90680a49c47868cc74cd54ccd0ecef539c9634ae5f735c9bed31e74763\",\n        \"ContainerConfig\": {\n            \"Hostname\": \"35f0fc90680a\",\n            \"Domainname\": \"\",\n            \"User\": \"\",\n            \"AttachStdin\": false,\n            \"AttachStdout\": false,\n            \"AttachStderr\": false,\n            \"Tty\": false,\n            \"OpenStdin\": false,\n            \"StdinOnce\": false,\n            \"Env\": [\n                \"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\n                \"LD_LIBRARY_PATH=/.singularity.d/libs\"\n            ],\n            \"Cmd\": [\n                \"/bin/sh\",\n                \"-c\",\n                \"#(nop) \",\n                \"CMD [\\\"/bin/bash\\\" \\\"run_singularity2docker.sh\\\"]\"\n            ],\n            \"ArgsEscaped\": true,\n            \"Image\": \"sha256:fbe2938963526faecb876ed31486ed024d6251f6aaad926b1993e4f3548903f5\",\n            \"Volumes\": null,\n            \"WorkingDir\": \"\",\n            \"Entrypoint\": null,\n            \"OnBuild\": null,\n            \"Labels\": {\n                \"MAINTAINER\": \"vanessasaur\",\n                \"WHATAMI\": \"dinosaur\",\n                \"org.label-schema.build-date\": \"2017-10-15T12:52:56+00:00\",\n                \"org.label-schema.build-size\": \"333MB\",\n                \"org.label-schema.schema-version\": \"1.0\",\n                \"org.label-schema.usage.singularity.deffile\": \"Singularity\",\n                \"org.label-schema.usage.singularity.deffile.bootstrap\": \"docker\",\n                \"org.label-schema.usage.singularity.deffile.from\": \"ubuntu:14.04\",\n                \"org.label-schema.usage.singularity.version\": \"2.4-feature-squashbuild-secbuild.g780c84d\"\n            }\n        },\n        \"DockerVersion\": \"18.03.0-ce\",\n        \"Author\": \"\",\n        \"Config\": {\n            \"Hostname\": \"\",\n            \"Domainname\": \"\",\n            \"User\": \"\",\n            \"AttachStdin\": false,\n            \"AttachStdout\": false,\n            \"AttachStderr\": false,\n            \"Tty\": false,\n            \"OpenStdin\": false,\n            \"StdinOnce\": false,\n            \"Env\": [\n                \"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\n                \"LD_LIBRARY_PATH=/.singularity.d/libs\"\n            ],\n            \"Cmd\": [\n                \"/bin/bash\",\n                \"run_singularity2docker.sh\"\n            ],\n            \"ArgsEscaped\": true,\n            \"Image\": \"sha256:fbe2938963526faecb876ed31486ed024d6251f6aaad926b1993e4f3548903f5\",\n            \"Volumes\": null,\n            \"WorkingDir\": \"\",\n            \"Entrypoint\": null,\n            \"OnBuild\": null,\n            \"Labels\": {\n                \"MAINTAINER\": \"vanessasaur\",\n                \"WHATAMI\": \"dinosaur\",\n                \"org.label-schema.build-date\": \"2017-10-15T12:52:56+00:00\",\n                \"org.label-schema.build-size\": \"333MB\",\n                \"org.label-schema.schema-version\": \"1.0\",\n                \"org.label-schema.usage.singularity.deffile\": \"Singularity\",\n                \"org.label-schema.usage.singularity.deffile.bootstrap\": \"docker\",\n                \"org.label-schema.usage.singularity.deffile.from\": \"ubuntu:14.04\",\n                \"org.label-schema.usage.singularity.version\": \"2.4-feature-squashbuild-secbuild.g780c84d\"\n            }\n        },\n        \"Architecture\": \"amd64\",\n        \"Os\": \"linux\",\n        \"Size\": 187796668,\n        \"VirtualSize\": 187796668,\n        \"GraphDriver\": {\n            \"Data\": null,\n            \"Name\": \"aufs\"\n        },\n        \"RootFS\": {\n            \"Type\": \"layers\",\n            \"Layers\": [\n                \"sha256:a8d50d7688e2b24b2de0f779f63104f3dbe08e0ddff2658f01f81ffc2d0654be\"\n            ]\n        },\n        \"Metadata\": {\n            \"LastTagTime\": \"2018-04-11T00:02:54.777906654-04:00\"\n        }\n    }\n]\n```\n```\n$ docker run newcontainer:tag\nRaawwWWWWWRRRR!!\n$ singularity run singularity-container.sif\nRaawwWWWWWRRRR!!\n```\n\nRawr!\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsingularityhub%2Fsingularity2docker","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsingularityhub%2Fsingularity2docker","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsingularityhub%2Fsingularity2docker/lists"}