Update docker image, add drone pipeline

.drone.yml

@@ -0,0 +1,13 @@
+
+kind: pipeline
+name: default
+
+steps:
+- name: docker
+  image: plugins/docker
+  settings:
+    repo: egraven/zola
+    auto_tag: true
+    username: egraven
+    password:
+      from_secret: DOCKER_TOKEN

Dockerfile

@@ -1,21 +1,28 @@
-FROM rust:slim AS builder
+FROM lukemathwalker/cargo-chef:latest-rust-slim AS chef
+WORKDIR zola
 
-RUN apt-get update -y && \
-  apt-get install -y python-pip make g++ python-setuptools libssl-dev pkg-config rsync && \
-  pip install dockerize && \
-  rustup target add x86_64-unknown-linux-gnu
+FROM chef AS deps
+#RUN rustup target add x86_64-unknown-linux-musl
+RUN apt-get update && apt-get install -y make g++ pkg-config libssl-dev # musl-tools
 
-WORKDIR /app
+FROM deps AS recipe
 COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
 
-RUN cargo build --release --target x86_64-unknown-linux-gnu
+FROM deps AS build
+COPY --from=recipe /zola/recipe.json recipe.json
+#RUN cargo chef cook --release --target x86_64-unknown-linux-musl --recipe-path recipe.json
+RUN cargo chef cook --release --recipe-path recipe.json
 
-RUN mv target/x86_64-unknown-linux-gnu/release/zola /usr/bin
-RUN mkdir -p /workdir
-WORKDIR /workdir
-RUN dockerize -n  -o /workdir  /usr/bin/zola
+COPY . .
+#RUN cargo build --release --target x86_64-unknown-linux-musl --bin zola
+RUN cargo build --release --bin zola
 
+FROM debian:bullseye-slim AS runtime
+WORKDIR zola
+#COPY --from=build zola/target/x86_64-unknown-linux-musl/release/zola /usr/local/bin/
+COPY --from=build zola/target/release/zola /usr/local/bin/
+ENTRYPOINT ["/usr/local/bin/zola"]
+
+LABEL org.opencontainers.image.authors="Emelie Graven <emelie@graven.dev>"
 
-FROM scratch
-COPY --from=builder /workdir .
-ENTRYPOINT [ "/usr/bin/zola" ]