build(container): Add justfile recipe to build and push latest/date tags to GitHub and GitLab

4 files changed, 80 insertions, 58 deletions

diff --git a/.earthlyignore b/.dockerignore
index a873cd5..c785159 100644
--- a/.earthlyignore
+++ b/.dockerignore
@@ -5,5 +5,7 @@
 !content/
 !src/
 !build.rs
-!Cargo.*
+!Cargo.toml
+!Cargo.lock
 !yarte.toml
+!Dockerfile
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..0d55f14
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,50 @@
+# syntax=docker/dockerfile:1.7
+
+ARG RUSTC_VERSION=nightly-2025-01-21
+
+FROM clux/muslrust:${RUSTC_VERSION} AS build
+
+RUN rustup component add rust-src
+
+WORKDIR /source
+
+RUN cargo new locus
+
+WORKDIR /source/locus
+
+COPY amenadiel/ ./amenadiel/
+COPY Cargo.toml Cargo.lock ./
+
+RUN --mount=type=cache,target=/root/.cargo/registry \
+  --mount=type=cache,target=/root/.cargo/git \
+  cargo build --release -Zbuild-std
+
+COPY .git ./.git
+COPY content ./content
+COPY src ./src
+COPY build.rs ./build.rs
+COPY yarte.toml ./yarte.toml
+
+RUN find ./content -name "*.DS_Store" -delete
+RUN --mount=type=cache,target=/root/.cargo/registry \
+  --mount=type=cache,target=/root/.cargo/git \
+  cargo build --release --bin locus
+RUN set -eux; \
+  bin_path="$(find /source/locus/target -type f -path '*/release/locus' | head -n 1)"; \
+  test -n "${bin_path}"; \
+  strip -s "${bin_path}"; \
+  cp "${bin_path}" /source/locus/locus
+RUN strip -s /source/locus/locus
+RUN mkdir /new_tmp
+
+FROM scratch AS runtime
+
+WORKDIR /locus
+
+COPY --from=build /source/locus/locus ./locus
+COPY --from=build /source/locus/content ./content
+COPY --from=build /new_tmp /tmp
+
+EXPOSE 1965
+
+ENTRYPOINT ["./locus"]
diff --git a/Earthfile b/Earthfile
deleted file mode 100644
index bcf338b..0000000
--- a/Earthfile
+++ /dev/null
@@ -1,57 +0,0 @@
-VERSION 0.7
-
-docker:
-  ARG tag=latest
-
-  FROM scratch
-
-  WORKDIR /locus
-
-  COPY +build/locus .
-  COPY +build/content ./content
-  # https://www.reddit.com/r/docker/comments/8y2zyx/how_to_add_a_empty_directory_to_a_scratch_image/e27oumn/
-  COPY +build/new_tmp /tmp
-
-  EXPOSE 1965
-
-  ENTRYPOINT ["./locus"]
-
-  SAVE IMAGE --push ghcr.io/gemrest/locus:$tag
-
-deps:
-  ARG rustc="nightly-2025-01-21"
-
-  FROM clux/muslrust:${rustc}
-
-  RUN rustup component add rust-src --toolchain nightly-x86_64-unknown-linux-gnu
-
-build:
-  FROM +deps
-
-  WORKDIR /source
-
-  RUN cargo new locus
-
-  WORKDIR /source/locus
-
-  COPY amenadiel/ ./amenadiel/
-  COPY Cargo.* .
-
-  RUN cargo build --release -Zbuild-std
-
-  COPY .git .git
-  COPY content content
-  COPY src src
-  COPY build.rs build.rs
-  COPY yarte.toml yarte.toml
-
-  RUN find ./content -name "*.DS_Store" -delete
-  RUN cargo build --release --bin locus
-  RUN strip -s /source/locus/target/x86_64-unknown-linux-musl/release/locus
-  RUN mv /source/locus/target/x86_64-unknown-linux-musl/release/locus .
-  RUN strip -s /source/locus/locus
-  RUN mkdir /new_tmp
-
-  SAVE ARTIFACT /source/locus/locus
-  SAVE ARTIFACT /source/locus/content
-  SAVE ARTIFACT /new_tmp
diff --git a/justfile b/justfile
new file mode 100644
index 0000000..8f39114
--- /dev/null
+++ b/justfile
@@ -0,0 +1,27 @@
+set shell := ["bash", "-eu", "-o", "pipefail", "-c"]
+
+ghcr_repo := "ghcr.io/gemrest/locus"
+gitlab_repo := "registry.gitlab.com/gemrest/locus"
+
+default:
+  just --list
+
+# Build once, then push both `latest` and `YYYY-MM-DD` tags to both registries.
+publish-images:
+  #!/usr/bin/env bash
+
+  set -euo pipefail
+
+  date_tag="$(date -u +%Y-%m-%d)"
+
+  docker build -f Dockerfile -t locus:build .
+
+  for registry in {{ghcr_repo}} {{gitlab_repo}}; do
+    docker tag locus:build "$registry:latest"
+    docker tag locus:build "$registry:$date_tag"
+  done
+
+  docker push "{{ghcr_repo}}:latest"
+  docker push "{{ghcr_repo}}:$date_tag"
+  docker push "{{gitlab_repo}}:latest"
+  docker push "{{gitlab_repo}}:$date_tag"