refactor(dockerfile): rewrite using debian-slim as base image

- DART does not seem to work on Alpine
- use Debian-slim base instead
- change to entrypoint/cmd structure
- pass cmd as shell script instead of JSON for now
This commit is contained in:
Asif Bacchus 2021-07-29 00:00:52 -06:00
parent 2f9e6640cd
commit 8aae6c877f

View File

@ -1,36 +1,47 @@
#
# Dart-SASS compiler on Alpine
# Dart-SASS compiler on Debian-Slim
#
ARG ALPINE_VERSION=3.14
FROM alpine:${ALPINE_VERSION}
ARG ALPINE_VERSION
ARG SASS_VERSION=1.35.1
ARG DEBIAN_VERSION=buster-slim
FROM debian:${DEBIAN_VERSION}
ARG DEBIAN_VERSION
ARG SASS_VERSION=1.36.0
# create a limited user to run sass
ARG SASS_UID=8101
ARG SASS_GID=8101
RUN addgroup -g ${SASS_GID} -S sass \
&& adduser -S -u ${SASS_UID} -G sass -H -g 'sass system user' sass \
&& mkdir -p /sass/sass /sass/css \
&& chown -R sass:sass /sass
RUN addgroup --system --gid ${SASS_GID} sass \
&& adduser \
--system \
--uid ${SASS_UID} \
--ingroup sass \
--disabled-password \
--no-create-home \
--gecos 'sass system user' \
sass \
&& mkdir /sass /css \
&& chown -R sass:sass /sass /css
# download dart-sass, tini and timezone support, update all packages
RUN apk --update --no-cache add \
RUN apt-get update \
&& apt-get install -y \
tini \
tzdata \
&& apk --update --no-cache upgrade \
wget \
&& apt-get upgrade \
&& rm -rf /var/lib/apt/lists/* \
&& wget https://github.com/sass/dart-sass/releases/download/${SASS_VERSION}/dart-sass-${SASS_VERSION}-linux-x64.tar.gz \
-O /tmp/dart-sass-${SASS_VERSION}.tar.gz \
&& tar -zxvf /tmp/dart-sass-${SASS_VERSION}.tar.gz dart-sass/sass -C /usr/local/bin/ --strip-components=1 \
&& chmod +x /usr/local/bin/sass
&& tar -zxvf /tmp/dart-sass-${SASS_VERSION}.tar.gz -C /opt/ \
&& rm -f /tmp/dart-sass-${SASS_VERSION}.tar.gz \
&& chmod +x /opt/dart-sass/sass
# labels
MAINTAINER Asif Bacchus <asif@asifbacchus.dev>
LABEL maintainer="Asif Bacchus <asif@asifbacchus.dev>"
LABEL dev.asifbacchus.docker.internalName="ab-dart-sass"
LABEL org.opencontainers.image.authors="Asif Bacchus <asif@asifbacchus.dev>"
LABEL org.opencontainers.image.description="Dockerized implementation of Dart-SASS compiler running on Alpine Linux using a limited account."
LABEL org.opencontainers.image.description="Dockerized implementation of Dart-SASS compiler running on Debian (slim) using a limited account."
LABEL org.opencontainers.image.documentation="https://git.asifbacchus.dev/ab-docker/dart-sass/raw/branch/master/README.md"
LABEL org.opencontainers.image.source="https://git.asifbacchus.dev/ab-docker/dart-sass.git"
LABEL org.opencontainers.image.title="ab-dart-sass"
@ -38,13 +49,14 @@ LABEL org.opencontainers.image.url="https://git.asifbacchus.dev/ab-docker/dart-s
LABEL org.opencontainers.image.vendor="Asif Bacchus"
# default environment variables
ENV PATH=$PATH:/opt/dart-sass
ENV TZ=Etc/UTC
ENV SASS_STYLE=compressed
# switch to user account and run sass compiler
USER sass
WORKDIR /sass
ENTRYPOINT [ "/sbin/tini", "--", "/usr/local/bin/sass -s ${SASS_STYLE} --watch --poll --stop-on-error sass:css" ]
ENTRYPOINT [ "/usr/bin/tini", "--" ]
CMD /opt/dart-sass/sass -s ${SASS_STYLE} --watch --poll --stop-on-error /sass:/css
# set build timestamp, git and version labels
ARG INTERNAL_VERSION