heroku-gitea/Dockerfile

FROM gitea/gitea:1.14.5-rootless

ENV GITEA_CUSTOM=/var/lib/gitea/custom
# Create a temporary writable directory
RUN mkdir -p /app/tmp

# Copy the existing app.ini file to a temporary location
COPY app.ini /tmp/app.ini

# Extract the necessary parts from DATABASE_URL and modify the app.ini file in /tmp
RUN DATABASE_USER=$(echo $DATABASE_URL | cut -d ':' -f 2 | cut -d '/' -f 3) \
    && DATABASE_PASSWORD=$(echo $DATABASE_URL | cut -d ':' -f 3 | cut -d '@' -f 1) \
    && DATABASE_HOST=$(echo $DATABASE_URL | cut -d '@' -f 2 | cut -d ':' -f 1) \
    && DATABASE_PORT=$(echo $DATABASE_URL | cut -d ':' -f 4 | cut -d '/' -f 1) \
    && DATABASE_NAME=$(echo $DATABASE_URL | cut -d '/' -f 4) \
    && printf "[database]\nDB_TYPE  = postgres\nHOST     = $DATABASE_HOST\nNAME     = $DATABASE_NAME\nUSER     = $DATABASE_USER\nPASSWD   = $DATABASE_PASSWORD\nSSL_MODE = require\n" > /tmp/app.ini

# Move the modified app.ini to the Gitea configuration directory
RUN mv /tmp/app.ini /var/lib/gitea/custom/conf/app.ini