Enable very rudimentary CI/CD (#1)

Reviewed-on: #1
Co-authored-by: Karcsesz <git@karcsesz.hu>
Co-committed-by: Karcsesz <git@karcsesz.hu>

.forgejo/workflows/docker.yml

@@ -0,0 +1,24 @@
+on:
+  push:
+    branches:
+      - master
+jobs:
+  docker:
+    name: docker build
+    runs-on: ubuntu-22.04
+    needs:
+      - test
+    steps:
+      - uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME}}
+          password: ${{ secrets.DOCKERHUB_TOKEN}}
+      - uses: docker/build-push-action@v5
+        with:
+          push: true
+          tags: karcsesz/fingerlink:latest
+      - uses: docker/build-push-action@v5
+        with:
+          push: true
+          tags: karcsesz/fingerlink:latest-nano
+          build-args: "editor=nano"

.forgejo/workflows/test.yml

@@ -0,0 +1,9 @@
+on: [push]
+jobs:
+  test:
+    name: cargo test
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/rust-toolchain@stable
+      - run: cargo test --all-features

Dockerfile

@@ -0,0 +1,28 @@
+FROM rust:latest as builder
+LABEL authors="karcsesz"
+
+ARG target=x86_64-unknown-linux-musl
+
+RUN apt update && apt install -y musl-tools musl-dev
+RUN update-ca-certificates
+RUN rustup target add $target
+
+WORKDIR /fingerlink
+
+COPY . .
+
+RUN cargo build --target $target --release
+
+FROM alpine:latest
+
+ARG editor=vim
+
+RUN apk add --no-cache $editor
+ENV EDITOR=$editor
+ENV PATH="${PATH}:/fingerlink"
+WORKDIR /fingerlink
+
+COPY --from=builder /fingerlink/target/x86_64-unknown-linux-musl/release/fingerlink /fingerlink/fingerlink
+
+ENTRYPOINT ["/fingerlink/fingerlink", "serve"]
+CMD	 ["--help"]