id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,pull_request,body,repo,type,active_lock_reason,performed_via_github_app,reactions,draft,state_reason 884952179,MDU6SXNzdWU4ODQ5NTIxNzk=,1320,Can't use apt-get in Dockerfile when using datasetteproj/datasette as base,2670795,closed,0,,,4,2021-05-10T19:37:27Z,2021-05-24T18:15:56Z,2021-05-24T18:07:08Z,CONTRIBUTOR,,"The datasette base Docker image is super convenient, but there's one problem: if any of the plugins you install require additional system dependencies (e.g., xz, git, curl) then any attempt to use apt in said Dockerfile results in an explosion: ``` $ docker-compose build Building server [+] Building 9.9s (7/9) => [internal] load build definition from Dockerfile 0.0s => => transferring dockerfile: 666B 0.0s => [internal] load .dockerignore 0.0s => => transferring context: 34B 0.0s => [internal] load metadata for docker.io/datasetteproject/datasette:latest 0.6s => [base 1/4] FROM docker.io/datasetteproject/datasette@sha256:2250d0fbe57b1d615a8d6df0c9d43deb9533532e00bac68854773d8ff8dcf00a 0.0s => [internal] load build context 1.8s => => transferring context: 2.44MB 1.8s => CACHED [base 2/4] WORKDIR /datasette 0.0s => ERROR [base 3/4] RUN apt-get update && apt-get install --no-install-recommends -y git ssh curl xz-utils 9.2s ------ > [base 3/4] RUN apt-get update && apt-get install --no-install-recommends -y git ssh curl xz-utils: #6 0.446 Get:1 http://security.debian.org/debian-security buster/updates InRelease [65.4 kB] #6 0.449 Get:2 http://deb.debian.org/debian buster InRelease [121 kB] #6 0.459 Get:3 http://httpredir.debian.org/debian sid InRelease [157 kB] #6 0.784 Get:4 http://deb.debian.org/debian buster-updates InRelease [51.9 kB] #6 0.790 Get:5 http://httpredir.debian.org/debian sid/main amd64 Packages [8626 kB] #6 1.003 Get:6 http://deb.debian.org/debian buster/main amd64 Packages [7907 kB] #6 1.180 Get:7 http://security.debian.org/debian-security buster/updates/main amd64 Packages [286 kB] #6 7.095 Get:8 http://deb.debian.org/debian buster-updates/main amd64 Packages [10.9 kB] #6 8.058 Fetched 17.2 MB in 8s (2243 kB/s) #6 8.058 Reading package lists... #6 9.166 E: flAbsPath on /var/lib/dpkg/status failed - realpath (2: No such file or directory) #6 9.166 E: Could not open file - open (2: No such file or directory) #6 9.166 E: Problem opening #6 9.166 E: The package lists or status file could not be parsed or opened. ``` The problem seems to be from completely wiping out `/var/lib/dpkg` in the upstream Dockerfile: https://github.com/simonw/datasette/blob/1b697539f5b53cec3fe13c0f4ada13ba655c88c7/Dockerfile#L18 I've tested without removing the directory and apt works as expected.",107914493,issue,,,"{""url"": ""https://api.github.com/repos/simonw/datasette/issues/1320/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed