Merge pull request #3 from spameier/feat/alpine

Add Dockerfile for alpine based container

alpine/Dockerfile

@@ -0,0 +1,38 @@
+FROM alpine
+
+LABEL maintainer="RaBe IT Reaktion <it@rabe.ch>"
+LABEL vendor="Radio Bern RaBe <http://rabe.ch>"
+
+RUN apk add --no-cache \
+    alsa-lib-dev \
+    coreutils \
+    g++ \
+    lame-dev \
+    libmad-dev \
+    m4 \
+    make \
+    musl-dev \
+    opam \
+    pcre-dev \
+    pkgconfig \
+    taglib-dev \
+ && adduser -D liquidsoap \
+ && mkdir -p /var/{log/liquidsoap,run/liquidsoap} \
+ && chown liquidsoap /var/{log/liquidsoap,run/liquidsoap}
+
+USER liquidsoap
+
+ENV OCAML_VERSION 4.10.0
+ENV PATH /home/liquidsoap/.opam/${OCAML_VERSION}/bin:${PATH}
+RUN opam init --disable-sandboxing --auto-setup \
+ && opam switch create ${OCAML_VERSION} \
+ && opam install --yes alsa cry lame mad taglib \
+ && opam clean
+
+ENV LS_VERSION 1.4.2
+RUN opam install --yes liquidsoap.${LS_VERSION} \
+ && opam clean
+
+WORKDIR /var/lib/liquidsoap
+
+ENTRYPOINT ["liquidsoap"]