Add custom container to speedup build process

containers/apps/truecharts-release/BASE

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+focal-20210827

containers/apps/truecharts-release/Dockerfile

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+# hadolint ignore=DL3007
+FROM quay.io/helmpack/chart-releaser:v1.2.1 AS cr
+
+
+# hadolint ignore=DL3007
+FROM ixsystems/catalog_validation:latest
+
+ARG TARGETPLATFORM
+ARG VERSION
+
+USER root
+
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
+# hadolint ignore=DL3008,DL3015,SC2086,SC2155
+RUN --mount=type=bind,from=builder,source=/usr/local/bin/cr,target=/crbin \
+  cp /crbin/cr /usr/local/bin/cr
+
+LABEL "maintainer"="TrueCharts <info@truecharts.org>"
+LABEL "org.opencontainers.image.source"="https://github.com/truecharts/apps"

containers/apps/truecharts-release/VERSION

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+1.0.0

containers/apps/truecharts-release/latest-base.sh

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+#!/usr/bin/env bash
+cat "./containers/base/ubuntu/VERSION"