Add passenger image for redmine 5.0.4

5.0/passenger/Dockerfile

@@ -0,0 +1,33 @@
+FROM redmine:5.0.4
+
+ENV PASSENGER_VERSION 6.0.17
+
+RUN set -eux; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	apt-get update; \
+	apt-get install -y --no-install-recommends \
+		gcc \
+		make \
+	; \
+	rm -rf /var/lib/apt/lists/*; \
+	\
+	gem install passenger --version "$PASSENGER_VERSION"; \
+# pre-build "passenger_native_support.so" while we have the compiler toolchain available
+	passenger-config build-native-support; \
+# the above command always exits with a zero exit code, but if we run it again and it was successful, it'll have empty output (that's the best way I can find to verify that it's worked)
+	if [ -n "$(passenger-config build-native-support 2>&1)" ]; then cat /tmp/passenger_native_support-*.log; false; fi; \
+	\
+	apt-mark auto '.*' > /dev/null; \
+	[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; \
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
+
+# pre-download the PassengerAgent and the NGINX engine
+RUN set -eux; \
+	passenger-config install-agent; \
+	passenger-config download-nginx-engine
+
+# adjust Passenger to write the PID to the same file as "rails server"
+ENV PASSENGER_PID_FILE tmp/pids/server.pid
+
+CMD ["passenger", "start"]