Dockerfile.shipyard-linting

FROM alpine

ENV DAPPER_HOST_ARCH=amd64 SHELL=/bin/bash \
    SHIPYARD_DIR=/opt/shipyard
ENV HOST_ARCH=${DAPPER_HOST_ARCH} ARCH=${DAPPER_HOST_ARCH} \
    SCRIPTS_DIR=${SHIPYARD_DIR}/scripts

# Requirements:
# Component        | Usage
# -------------------------------------------------------------------
# bash             | Just your basic shell
# findutils        | Finding executables to compress
# gitlint          | Git commit message linting
# grep             | For listing targets
# make             | Running makefiles inside the container
# markdownlint     | Markdown linting
# nodejs           | Used by markdownlint
# npm              | Installing markdownlint (Removed afterwards)
# py3-pip          | Installing gitlint (Removed afterwards)
# py3-six          | Required by gitlint
# shellcheck       | Shell script linting
# upx              | Compressing executables to get a smaller image
# yamllint         | YAML linting
# yq               | YAML processing

ENV MARKDOWNLINT_VERSION=0.39.0 \
    GITLINT_VERSION=0.19.1

RUN apk add --no-cache bash findutils git grep make nodejs py3-six shellcheck upx yamllint yq && \
    apk add --no-cache --virtual installers npm py3-pip && \
    npm install -g markdownlint-cli@${MARKDOWNLINT_VERSION} && \
    pip install --break-system-packages gitlint==${GITLINT_VERSION} && \
    find /usr/bin/ -type f -executable -newercc /proc -size +1M  \( -execdir upx {} \; -o -true \) && \
    find /usr/lib/ -name __pycache__ -type d -exec rm -rf {} + && \
    apk del installers

# Copy shared files so that downstream projects can use it
COPY Makefile.* .gitlint ${SHIPYARD_DIR}/

# Copy the global dapper file so that we can make sure consuming projects are up to date
COPY Dockerfile.linting ${SHIPYARD_DIR}/

# Copy shared scripts into image to share with all projects
WORKDIR $SCRIPTS_DIR
COPY scripts/shared/ .