Alpine dockerfile

Author: henrik242

Dockerfile.alpine

@@ -0,0 +1,32 @@
+ARG RUBY_VERSION=missing-build-arg
+FROM ruby:${RUBY_VERSION}-alpine
+
+ENV TZ=Etc/UTC \
+    LANG=C.UTF-8 \
+    BUNDLE_FORCE_RUBY_PLATFORM=true
+
+ARG POSTGRESQL_VERSION=missing-build-arg
+
+RUN set -eux && \
+    apk add --no-cache \
+      tzdata ca-certificates \
+      curl curl-dev \
+      git \
+      build-base \
+      pkgconf \
+      libxml2-dev zlib-dev \
+      geos geos-dev \
+      imagemagick \
+      libwebp-tools \
+      xz \
+      jemalloc \
+      gnupg \
+      rust cargo \
+      nodejs npm \
+      postgresql${POSTGRESQL_VERSION} && \
+    ln -snf "/usr/share/zoneinfo/$TZ" /etc/localtime && echo "$TZ" > /etc/timezone
+
+ENV LD_PRELOAD=/usr/lib/libjemalloc.so.2
+
+RUN gem update --system 3.4.22
+