Basic docker support (#234)

.github/workflows/docker-image.yml

@@ -0,0 +1,51 @@
+name: Build and Publish Docker Image
+
+on:
+  release:
+    types: [created]
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+  PLATFORMS: linux/amd64,linux/arm64
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@v2.5.0
+        with:
+          platforms: ${{ env.PLATFORMS }}
+
+      - name: Log into registry ${{ env.REGISTRY }}
+        uses: docker/login-action@v2.1.0
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v4.3.0
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v4.0.0
+        with:
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: ${{ env.PLATFORMS }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

@@ -0,0 +1,10 @@
+FROM rust:alpine AS build
+COPY . /app
+WORKDIR /app
+ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
+RUN apk add --update musl-dev \
+    && cargo build -p typst-cli --release
+
+FROM alpine:latest  
+WORKDIR /root/
+COPY --from=build  /app/target/release/typst /bin

README.md

@@ -119,6 +119,9 @@ pacman -S typst
 Nix users can use the `typst` package with `nix-shell -p typst` or build and run
 the bleeding edge version with `nix run github:typst/typst -- --version`.
 
+Docker users can run a prebuilt image with
+`docker run -it ghcr.io/typst/typst:main`.
+
 ## Usage
 Once you have installed Typst, you can use it like this:
 ```sh