Turn on debug flag for postgres

LMJW · LMJW · commit a3270cda6b11 · 2019-09-23T12:27:41.000+10:00
reference : https://wiki.postgresql.org/wiki/Developer_FAQ#What_debugging_features_are_available.3F
diff --git a/11/alpine/Dockerfile b/11/alpine/Dockerfile
@@ -88,8 +88,8 @@ RUN set -ex \
 		--enable-integer-datetimes \
 		--enable-thread-safety \
 		--enable-tap-tests \
-# skip debugging info -- we want tiny size instead
-#		--enable-debug \
+		--enable-debug \
+		--enable-cassert \
 		--disable-rpath \
 		--with-uuid=e2fs \
 		--with-gnu-ld \
@@ -111,6 +111,7 @@ RUN set -ex \
 		--with-libxml \
 		--with-libxslt \
 		--with-icu \
+		CFLAGS="-ggdb -Og -g3 -fno-omit-frame-pointer" \
 	&& make -j "$(nproc)" world \
 	&& make install-world \
 	&& make -C contrib install \
