Change openjpeg dependency to openjpeg2. Old version is no longer available starting from Debian Stretch.
@@ -13,7 +13,7 @@ RUN apt-get update && apt-get install -y \
libssl-dev \
sqlite3 \
libjpeg-dev \
- libopenjpeg-dev \
+ libopenjp2-7-dev \
locales \
cron \
postgresql-client \
l0ud