Use gitlab CI

commit 3bca937c9ff91852269a828de0c778db7d1423df
Author: Alan Pearce <alan@alanpearce.eu>
Date:   Sat Apr 20 01:14:26 2024 +0200

    create gitlab CI configuration

commit ee9eeab17ac88f4020d857dcceb458c66418e2f6
Author: Alan Pearce <alan@alanpearce.eu>
Date:   Sat Apr 20 16:07:01 2024 +0200

    make helpers for both building and streaming docker images

commit d8340ec8ff3e3f9c51b55e95e27e518330435b7c
Author: Alan Pearce <alan@alanpearce.eu>
Date:   Sat Apr 20 00:20:34 2024 +0200

    use long git hashes for docker tags

2 files changed, 23 insertions, 16 deletions

diff --git a/nix/default.nix b/nix/default.nix
index d586e2b..cd62ebf 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -3,16 +3,15 @@ let
   revision = "${self.lastModifiedDate}-${self.shortRev or self.dirtyShortRev or "dirty"}";
   version = self.shortRev or self.dirtyShortRev or "unstable-${self.lastModified}";
   dockerTag = self.rev or self.dirtyRev or "unstable-${self.lastModified}";
-  mkDocker = server:
+  mkDocker = type: server:
     let
       PORT = 3000;
     in
-    pkgs.dockerTools.streamLayeredImage {
+    pkgs.dockerTools.${type} {
       name = "registry.fly.io/alanpearce-eu";
       tag = dockerTag;
-      contents = [ server ];
       config = {
-        Cmd = [ "website" ];
+        Cmd = [ "${server}/bin/website" ];
         Env = [
           "PRODUCTION=true"
           "PORT=${builtins.toString PORT}"
@@ -23,6 +22,8 @@ let
         };
       };
     };
+  mkDockerStream = mkDocker "streamLayeredImage";
+  mkDockerImage = mkDocker "buildLayeredImage";
 in
 rec {
   default = server;
@@ -66,8 +67,10 @@ rec {
     modules = ./gomod2nix.toml;
     ldflags = [ "-s" "-w" "-X" "main.Commit=${version}" ];
   };
-  docker = mkDocker server;
-  docker-aarch64-linux = mkDocker (self.packages.aarch64-linux.server);
-  docker-x86_64-linux = mkDocker (self.packages.x86_64-linux.server);
-  fly = docker-x86_64-linux;
+  docker-stream = mkDockerStream server;
+  docker-stream-aarch64-linux = mkDockerStream (self.packages.aarch64-linux.server);
+  docker-stream-x86_64-linux = mkDockerStream (self.packages.x86_64-linux.server);
+  docker-image = mkDockerImage server;
+  docker-image-aarch64-linux = mkDockerImage (self.packages.aarch64-linux.server);
+  docker-image-x86_64-linux = mkDockerImage (self.packages.x86_64-linux.server);
 }
diff --git a/nix/scripts.nix b/nix/scripts.nix
index e48de76..b50ba16 100644
--- a/nix/scripts.nix
+++ b/nix/scripts.nix
@@ -5,12 +5,14 @@ let
      --watch flake.nix \
      --watch flake.lock \
   '';
-  image = (builtins.fromTOML (builtins.readFile ../fly.toml)).build.image;
+  imageName = (builtins.fromTOML (builtins.readFile ../fly.toml)).build.image;
   nonDarwinSystem = builtins.replaceStrings [ "darwin" ] [ "linux" ] pkgs.stdenv.system;
-  attr = "docker-${nonDarwinSystem}";
+  flySystem = "x86_64-linux";
+  mkAttr = type: system: ".#docker-${type}-${system}";
   sh = (pkgs.lib.optionalString pkgs.stdenv.isDarwin "ssh linux-builder ")
     + "sh";
-  stream = attr: "nix build --print-out-paths .#${attr} | ${sh}";
+  stream = system: "nix build --print-out-paths ${(mkAttr "stream") system} | ${sh}";
+  image = system: "nix build ${(mkAttr "image") system}";
 in
 with pkgs; [
   (writeShellScriptBin "watch-builder" ''
@@ -22,10 +24,12 @@ with pkgs; [
   (writeShellScriptBin "check-licenses" ''
     ${go-licenses}/bin/go-licenses check --include_tests ./... --disallowed_types=restricted,forbidden
   '')
-  (writeShellScriptBin "stream" "${stream attr}")
-  (writeShellScriptBin "stream-fly" "${stream "fly"}")
+  (writeShellScriptBin "stream" "${stream nonDarwinSystem}")
+  (writeShellScriptBin "stream-fly" "${stream flySystem}")
+  (writeShellScriptBin "image" "${image nonDarwinSystem}")
+  (writeShellScriptBin "image-fly" "${image flySystem}")
   (writeShellScriptBin "load-locally" ''
-    ${stream attr} | ${docker-client}/bin/docker load "$@"
+    stream | ${docker-client}/bin/docker load "$@"
   '')
   (writeShellScriptBin "push-to-registry" ''
     if test -z "''${1:-}"; then
@@ -39,12 +43,12 @@ with pkgs; [
       exit 1
     fi
     echo skopeo copy docker-archive:/dev/stdin "$@"
-    stream-fly | ${gzip}/bin/gzip --fast | ${skopeo}/bin/skopeo copy docker-archive:/dev/stdin "$@"
+    stream fly | ${gzip}/bin/gzip --fast | ${skopeo}/bin/skopeo copy docker-archive:/dev/stdin "$@"
   '')
   (writeShellScriptBin "deploy" ''
     set -eu
     TAG=$(git rev-parse HEAD)
-    IMAGE=${image}:$TAG
+    IMAGE=${imageName}:$TAG
     push-to-registry docker://$IMAGE
     ${pkgs.flyctl}/bin/flyctl deploy --image $IMAGE
   '')