testing flake-based container

.gitignore

@@ -0,0 +1 @@
+result

.woodpecker-ci.yml

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+pipeline:
+  nix:
+    image: nixos/nix
+    commands:
+      - nix flake check
+      - nix build '.#mdbook-toc'
+    volumes:
+     - /nix/store:/nix/store
+     - /nix/var/nix/db:/nix/var/nix/db
+     - /nix/var/nix/daemon-socket:/nix/var/nix/daemon-socket

Dockerfile

@@ -1,9 +0,0 @@
-FROM alpine:3 as builder
-RUN apk add --no-cache cargo
-RUN cargo install mdbook
-RUN cargo install mdbook-toc
-
-FROM alpine:3
-RUN apk add --no-cache libgcc
-COPY --from=builder /root/.cargo/bin/mdbook /bin/mdbook
-COPY --from=builder /root/.cargo/bin/mdbook-toc /bin/mdbook-toc

flake.lock

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+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1669411043,
+        "narHash": "sha256-LfPd3+EY+jaIHTRIEOUtHXuanxm59YKgUacmSzaqMLc=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "5dc7114b7b256d217fe7752f1614be2514e61bb8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "A very basic flake";
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let pkgs = nixpkgs.legacyPackages.${system};
+      in {
+        packages = rec {
+          docker = pkgs.dockerTools.buildLayeredImage {
+            name = "mdbook-plus";
+            contents = mdbook-toc;
+            config.Cmd = [ "${pkgs.mdbook}/bin/mdbook" ];
+          };
+          mdbook-toc = pkgs.rustPlatform.buildRustPackage rec {
+            pname = "mdbook-toc";
+            version = "0.10.0";
+
+            src = pkgs.fetchFromGitHub {
+              owner = "badboy";
+              repo = pname;
+              rev = version;
+              sha256 = "sha256-/MPxuzqgWKyLP1fn/WoA2cKlV0TiVidt+YpNqY96sxE=";
+            };
+
+            cargoSha256 = "sha256-JFqkeea6o5Wzpe+2Fp+UYjBOh/e3vX1pZzCfxxfAYmU=";
+          };
+        };
+      });
+}