Updates the utility script to allow building of other Dockerfiles for building any image locally. Adds a single point to configure non-Python versions

build-docker-image.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+# Helper script for building the Docker image locally.
+# Parses and provides the nessecary versions of other images to Docker
+# before passing in the rest of script args
+
+# First Argument: The Dockerfile to build
+# Other Arguments: Additional arguments to docker build
+
+# Example Usage:
+#	./build-docker-image.sh Dockerfile -t paperless-ngx:my-awesome-feature
+#	./build-docker-image.sh docker-builders/Dockerfile.qpdf -t paperless-ngx-build-qpdf:x.y.z
+
+set -eux
+
+# Parse what we can from Pipfile.lock
+pikepdf_version=$(jq ".default.pikepdf.version" Pipfile.lock  | sed 's/=//g' | sed 's/"//g')
+psycopg2_version=$(jq ".default.psycopg2.version" Pipfile.lock | sed 's/=//g' | sed 's/"//g')
+# Read this from the other config file
+qpdf_version=$(jq ".qpdf.version" .build-config.json | sed 's/"//g')
+jbig2enc_version=$(jq ".jbig2enc.version" .build-config.json | sed 's/"//g')
+# Get the branch name
+frontend=$(git rev-parse --abbrev-ref HEAD)
+
+if [ ! -f "$1" ]; then
+	echo "$1 is not a file, please provide the Dockerfile"
+	exit 1
+fi
+
+docker build --file "$1" \
+	--build-arg JBIG2ENC_VERSION="${jbig2enc_version}" \
+	--build-arg QPDF_VERSION="${qpdf_version}" \
+	--build-arg PIKEPDF_VERSION="${pikepdf_version}" \
+	--build-arg PSYCOPG2_VERSION="${psycopg2_version}" \
+	--build-arg FRONTEND_VERSION="${frontend}" "${@:2}" .