Add dev containers, musl build

containers/Containerfile.alpine

@@ -0,0 +1,23 @@
+FROM alpine:latest
+MAINTAINER Juno Takano juno@jutty.dev
+ENV DEBUG=debug
+ENV TAG=${TAG:-latest}
+
+# Setup tooling
+RUN apk add curl clang git file
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+
+# Install
+RUN git clone -b "$TAG" --single-branch https://codeberg.org/jutty/en /build
+RUN <<EOF
+    cd /build && /root/.cargo/bin/cargo build --locked --release
+    mv /build/target/release/en /usr/local/bin/en
+    rm -rf /build
+EOF
+
+# Describe
+RUN file $(which en) && sha256sum $(which en)
+
+# Launch
+WORKDIR /root
+CMD ["en", "-p", "80"]