From a049c9cc6b11018e7fc497876ad0402965d87397 Mon Sep 17 00:00:00 2001
From: Alan Pearce
Date: Sat, 22 Jun 2024 16:07:12 +0200
Subject: add CD to fly

---
 default.nix | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 fly.toml    | 22 ++++++++-------------
 justfile    | 15 ++++++++++++--
 3 files changed, 87 insertions(+), 16 deletions(-)

diff --git a/default.nix b/default.nix
index b05d12e..4c29731 100644
--- a/default.nix
+++ b/default.nix
@@ -14,6 +14,27 @@ let
     runCommandLocal;
 
   version = "unstable";
+  mkDocker = type: { server, website }:
+    let
+      PORT = 80;
+    in
+    pkgs.dockerTools.${type} {
+      name = "registry.fly.io/alanpearce-eu";
+      config = {
+        Cmd = [ "${server}/bin/server" ];
+        Env = [
+          "PRODUCTION=true"
+          "LISTEN_ADDRESS=::"
+          "PORT=${builtins.toString PORT}"
+          "ROOT=${website}"
+        ];
+        ExposedPorts = {
+          "${builtins.toString PORT}/tcp" = { };
+        };
+      };
+    };
+  mkDockerStream = mkDocker "streamLayeredImage";
+  mkDockerImage = mkDocker "buildLayeredImage";
 in
 rec {
   pre-commit-check = pre-commit-hooks.run {
@@ -70,4 +91,49 @@ rec {
     } ''
     ${builder}/bin/build -s $src -d $out
   '';
+  server = buildGoApplication {
+    pname = "server";
+    inherit version;
+    CGO_ENABLED = 0;
+    src = with lib.fileset; toSource {
+      root = ./.;
+      fileset = unions [
+        ./go.mod
+        ./go.sum
+        ./cmd/server
+        ./internal
+      ];
+    };
+    modules = ./nix/gomod2nix.toml;
+    patchPhase = ''
+      ${pkgs.templ}/bin/templ generate
+    '';
+    subPackages = [ "cmd/server" ];
+    ldflags = [
+      "-s"
+      "-w"
+    ];
+  };
+  docker-stream = mkDockerStream { inherit server website; };
+  docker-image = mkDockerImage { inherit server website; };
+
+  server-amd64-linux = server.overrideAttrs (old: old // {
+    GOOS = "linux";
+    GOARCH = "amd64";
+    fixupPhase = ''
+      if [[ -d $out/bin/linux_amd64 ]]
+      then
+        mv $out/bin/linux_amd64/server $out/bin/server
+        rmdir $out/bin/linux_amd64
+      fi
+    '';
+  });
+  docker-image-amd64-linux = mkDockerImage {
+    inherit website;
+    server = server-amd64-linux;
+  };
+  docker-stream-amd64-linux = mkDockerStream {
+    inherit website;
+    server = server-amd64-linux;
+  };
 }
diff --git a/fly.toml b/fly.toml
index 4fc764b..4488c03 100644
--- a/fly.toml
+++ b/fly.toml
@@ -1,4 +1,4 @@
-# fly.toml app configuration file generated for homestead on 2023-09-14T11:40:37+02:00
+# fly.toml app configuration file generated for alanpearce-eu on 2024-06-19T15:17:02+02:00
 #
 # See https://fly.io/docs/reference/configuration/ for information about how to use this file.
 #
@@ -10,18 +10,14 @@ primary_region = "ams"
   image = "registry.fly.io/alanpearce-eu"
 
 [env]
+  BASE_URL = "https://alanpearce.eu"
   PORT = "80"
   REDIRECT_OTHER_HOSTNAMES = "true"
-  BASE_URL = "https://alanpearce.eu"
 
 [[files]]
   guest_path = "/config.toml"
   local_path = "config.toml"
 
-[metrics]
-  port = 9091
-  path = "/metrics"
-
 [http_service]
   internal_port = 80
   force_https = true
@@ -29,18 +25,16 @@ primary_region = "ams"
   auto_start_machines = true
   min_machines_running = 3
   processes = [ "app" ]
+
   [http_service.concurrency]
     type = "requests"
     soft_limit = 15000
+
   [http_service.http_options]
     h2_backend = true
+
     [http_service.http_options.response]
       pristine = true
-  [[http_service.checks]]
-    grace_period = "15s"
-    interval = "30s"
-    method = "GET"
-    timeout = "1s"
-    path = "/health"
-    [http_service.checks.headers]
-      Host = "fly-internal"
+
+[[vm]]
+  size = "shared-cpu-1x"
diff --git a/justfile b/justfile
index 8b2922c..08f6b01 100755
--- a/justfile
+++ b/justfile
@@ -1,5 +1,8 @@
-#! /usr/bin/env nix-shell
-#! nix-shell -i "just --justfile"
+#!/usr/bin/env nix-shell
+#!nix-shell -i "just --justfile"
+
+docker-registry := "registry.fly.io/alanpearce-eu"
+docker-tag := `date +%Y%m%d%H%M%S`
 
 default:
 	@just --list --justfile {{ justfile() }} --unsorted
@@ -27,6 +30,14 @@ dev:
 
 ci: build check-links
 
+cd:
+	fly auth docker
+	nix-build -A docker-stream-amd64-linux | sh | gzip --fast | \
+		skopeo copy --dest-precompute-digests \
+			docker-archive:/dev/stdin \
+			docker://{{ docker-registry }}:{{ docker-tag }}
+	fly deploy --image {{ docker-registry }}:{{ docker-tag }}
+
 deploy-vercel-preview: build
 	vercel pull --environment=preview
 	vercel deploy
-- 
cgit 1.4.1