Use goreleaser to build docker image

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Docker meta
         id: meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v5
         with:
           images: |
             ghcr.io/irccloud/irccat
@@ -45,11 +45,3 @@ jobs:
           args: release --clean
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build and push Dockerfile
-        id: docker_build
-        uses: docker/build-push-action@v5
-        with:
-          file: ./Dockerfile
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}

.goreleaser.yaml

@@ -16,6 +16,10 @@ builds:
     ldflags:
       - -X main.branch={{.Version}} -X main.revision={{.Commit}}
 
+dockers:
+  - image_templates:
+    - ghcr.io/irccloud/irccat
+
 changelog:
   sort: asc
   filters:

Dockerfile

@@ -1,28 +1,10 @@
-# This is a multi-part build that first statically builds irccat, and then
-# copies over the resulting binary and the default SSL root certs over into
-# a 'scratch' image, resulting in a very small image.
-#
-# You must provide a config file at /etc/irccat.[json|yaml|toml|hcl], for
-# example:
-#
-#  docker build . -t irccat
-#  docker run -d -P -v /path/to/my/config/irccat.json:/etc/irccat.json irccat
-#
-# (This will also expose the default ports: 12345 and 8045.)
-
-# Step one: fetch deps and build
-FROM golang:1.22.1 AS build
-
-ADD . /go/src/github.com/irccloud/irccat
-WORKDIR /go/src/github.com/irccloud/irccat
-
-RUN CGO_ENABLED=0 go get -t -v ./... && go build -a .
-
-# Step two: copy over the binary and root certs
+FROM debian:stable-slim AS build
+RUN apt-get update && apt-get install -y ca-certificates && update-ca-certificates
 FROM scratch
-COPY --from=build /go/bin/irccat /irccat
 COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 
+COPY irccat /
+
 EXPOSE 12345
 EXPOSE 8045