add pipeline

.dockerignore

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+README.md
+LICENSE.txt
+/dist
+/target

.drone.yml

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+---
+kind: pipeline
+type: docker
+name: default
+
+steps:
+  - name: publish sha
+    image: banzaicloud/drone-kaniko
+    settings:
+      registry: registry.fromouter.space
+      repo: hamcha/staxman
+      cache: true
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      tags:
+        - latest
+        - ${DRONE_COMMIT_SHA}
+    when:
+      event:
+        - push
+
+  - name: publish tag
+    image: banzaicloud/drone-kaniko
+    settings:
+      registry: registry.fromouter.space
+      repo: hamcha/staxman
+      cache: true
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      tags:
+        - ${DRONE_COMMIT_BRANCH}
+    when:
+      event:
+        - tag
+---
+kind: signature
+hmac: 62e075b75a39fc7e92f8d32d362140c4e80ee62977224b66352d21d5d2d4c575
+
+...

Dockerfile

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+FROM public.ecr.aws/docker/library/rust:1-alpine as builder
+
+RUN rustup default stable
+RUN apk add --no-cache musl-dev openssl-dev openssl-libs-static pkgconf git
+
+# Set `SYSROOT` to a dummy path (default is /usr) because pkg-config-rs *always*
+# links those located in that path dynamically but we want static linking, c.f.
+# https://github.com/rust-lang/pkg-config-rs/blob/54325785816695df031cef3b26b6a9a203bbc01b/src/lib.rs#L613
+ENV SYSROOT=/dummy
+
+WORKDIR /wd
+COPY . /wd
+RUN cargo build --release --target=x86_64-unknown-linux-musl
+
+FROM public.ecr.aws/docker/library/alpine
+ARG version=unknown
+ARG release=unreleased
+
+COPY --from=builder /wd/target/x86_64-unknown-linux-musl/release/staxman /usr/local/bin/
+CMD ["staxman"]