Self Hosted Deploy Solution Git Hooks post-update

deploy.sh

#!/bin/bash
if [ $(git rev-parse --is-bare-repository) = true ]
then
    REPOSITORY_BASENAME=$(basename "$PWD") 
else
    REPOSITORY_BASENAME=$(basename $(readlink -nf "$PWD"/..))
fi
REPOSITORY_BASENAME=${REPOSITORY_BASENAME%.git}


TARGET="/home/username/$REPOSITORY_BASENAME/"
GIT_DIR=$PWD
BRANCHES=("master" "main")

echo TARGET is $TARGET
echo GIT_DIR is $GIT_DIR

while read oldrev newrev ref
do
	branch=$(cut -d/ -f3 <<< "$ref")
	# only checking out the master (or whatever branch you would like to deploy)
	if [[ " ${BRANCHES[@]} " =~ " $branch " ]];
	then
    	mkdir -p $TARGET
		echo "Ref $ref received. Deploying ${branch} branch to production..."
		git --work-tree=$TARGET --git-dir=$GIT_DIR checkout -f $branch
        docker run --rm --name build-site -v "$TARGET":/usr/src/app -w /usr/src/app node:16-alpine sh -c "yarn; yarn build --base=$BASE_PATH"
	else
		echo "Ref $ref received. Doing nothing: only the ${branch} branch may be deployed on this server."
	fi
done

Before using the hook you must give gitea's user following permissions:

sudo chmod -R 777 /home/username/git/
sudo usermod -aG docker git