feat: use Dockerfile (hello world)

Given I want to implement the core login in Rust, I don't want to have a
rust compile step for each invocation. So use a Dockerfile and it will
be built and cached by each Fogejo Runner.

.gitignore

@@ -20,3 +20,8 @@ Cargo.lock
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
+
+# Added by cargo
+
+/target

Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "forgejo-todo-checker"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

Dockerfile

@@ -0,0 +1,8 @@
+FROM docker.io/rust:1.81.0-bookworm
+
+WORKDIR /app
+COPY Cargo.toml ./
+COPY src/ ./src/
+RUN cargo build --release && mv target/release/forgejo-todo-checker .
+
+ENTRYPOINT [ "/app/forgejo-todo-checker" ]

action.yml

@@ -1,25 +0,0 @@
-# SPDX-License-Identifier: MIT
-name: "Forgejo TODO Checker"
-author: "Paul Campbell"
-description: |
-  Checks the source files to TODO and FIXME comments (configurable) that don't have an associated OPEN issue.
-
-# input:
-  # none yet
-  # tags_regex: (TODO|FIXME)
-  # issue_regex: ( |)(\(|\(#)(?P<ISSUE_NUMBER>\d+)(\))
-  # token_key: '' - for private repos
-  # debug: false
-
-runs:
-  using: "composite"
-  steps:
-    - run: echo "Forgejo TODO Checker"
-      shell: bash
-    - uses: actions/checkout@v3
-    - id: check
-      shell: bash
-      run: |
-        echo "job runs here"
-        ls -la
-        set

src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}