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Add environment variable support for Docker image (#2201)

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* Add `gettext` dependencies as we need `envsubst` command;
* Modified s6's gitea setup script, instead of `cp` the template if no
`app.ini` exist, it will substitude the envvars and generate the new
`app.ini`;
* Make `/docker/etc/templates/app.ini` a template contains environment
variables;

Signed-off-by: Tao Wang <twang2218@gmail.com>
This commit is contained in:
Tao Wang 2017-10-31 19:55:46 +11:00 • committed by Lunny Xiao
parent b0b24a2dbb
commit d545e32b56
5 changed files with 42 additions and 2 deletions
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24
docker/etc/s6/gitea/setup
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@ -12,7 +12,29 @@ fi
if [ ! -f /data/gitea/conf/app.ini ]; then
mkdir -p /data/gitea/conf
cp /etc/templates/app.ini /data/gitea/conf/app.ini
# Set INSTALL_LOCK to true only if SECRET_KEY is not empty and
# INSTALL_LOCK is empty
if [ -n "$SECRET_KEY" ] && [ -z "$INSTALL_LOCK" ]; then
INSTALL_LOCK=true
fi
# Substitude the environment variables in the template
APP_NAME=${APP_NAME:-"Gitea: Git with a cup of tea"} \
APP_MODE=${APP_MODE:-"dev"} \
SSH_DOMAIN=${SSH_DOMAIN:-"localhost"} \
HTTP_PORT=${HTTP_PORT:-"3000"} \
ROOT_URL=${ROOT_URL:-""} \
DISABLE_SSH=${DISABLE_SSH:-"false"} \
SSH_PORT=${SSH_PORT:-"22"} \
DB_TYPE=${DB_TYPE:-"sqlite3"} \
DB_HOST=${DB_HOST:-"localhost:3306"} \
DB_NAME=${DB_NAME:-"gitea"} \
DB_USER=${DB_USER:-"root"} \
DB_PASSWD=${DB_PASSWD:-""} \
INSTALL_LOCK=${INSTALL_LOCK:-"false"} \
SECRET_KEY=${SECRET_KEY:-""} \
envsubst < /etc/templates/app.ini > /data/gitea/conf/app.ini
fi
chown -R git:git /data/gitea /app/gitea /data/git