add LDFLAGS for optimizing image size

Author: autoferrit

3.5/alpine3.10/Dockerfile

@@ -78,6 +78,7 @@ RUN set -ex \
 # set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
 # https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
 		EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
+		LDFLAGS="-Wl,--strip-all" \
 # setting PROFILE_TASK makes "--enable-optimizations" reasonable: https://bugs.python.org/issue36044 / https://github.com/docker-library/python/issues/160#issuecomment-509426916
 		PROFILE_TASK='-m test.regrtest --pgo \
 			test_array \

3.5/alpine3.11/Dockerfile

@@ -78,6 +78,7 @@ RUN set -ex \
 # set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
 # https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
 		EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
+		LDFLAGS="-Wl,--strip-all" \
 # setting PROFILE_TASK makes "--enable-optimizations" reasonable: https://bugs.python.org/issue36044 / https://github.com/docker-library/python/issues/160#issuecomment-509426916
 		PROFILE_TASK='-m test.regrtest --pgo \
 			test_array \

3.6/alpine3.10/Dockerfile

@@ -80,6 +80,7 @@ RUN set -ex \
 # set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
 # https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
 		EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
+		LDFLAGS="-Wl,--strip-all" \
 # setting PROFILE_TASK makes "--enable-optimizations" reasonable: https://bugs.python.org/issue36044 / https://github.com/docker-library/python/issues/160#issuecomment-509426916
 		PROFILE_TASK='-m test.regrtest --pgo \
 			test_array \

3.6/alpine3.11/Dockerfile

@@ -80,6 +80,7 @@ RUN set -ex \
 # set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
 # https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
 		EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
+		LDFLAGS="-Wl,--strip-all" \
 # setting PROFILE_TASK makes "--enable-optimizations" reasonable: https://bugs.python.org/issue36044 / https://github.com/docker-library/python/issues/160#issuecomment-509426916
 		PROFILE_TASK='-m test.regrtest --pgo \
 			test_array \

3.7/alpine3.10/Dockerfile

@@ -81,6 +81,7 @@ RUN set -ex \
 # set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
 # https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
 		EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
+		LDFLAGS="-Wl,--strip-all" \
 # setting PROFILE_TASK makes "--enable-optimizations" reasonable: https://bugs.python.org/issue36044 / https://github.com/docker-library/python/issues/160#issuecomment-509426916
 		PROFILE_TASK='-m test.regrtest --pgo \
 			test_array \

3.7/alpine3.11/Dockerfile

@@ -81,6 +81,7 @@ RUN set -ex \
 # set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
 # https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
 		EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
+		LDFLAGS="-Wl,--strip-all" \
 # setting PROFILE_TASK makes "--enable-optimizations" reasonable: https://bugs.python.org/issue36044 / https://github.com/docker-library/python/issues/160#issuecomment-509426916
 		PROFILE_TASK='-m test.regrtest --pgo \
 			test_array \

3.8/alpine3.10/Dockerfile

@@ -81,6 +81,7 @@ RUN set -ex \
 # set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
 # https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
 		EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
+		LDFLAGS="-Wl,--strip-all" \
 	&& make install \
 	\
 	&& find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec scanelf --needed --nobanner --format '%n#p' '{}' ';' \

3.8/alpine3.11/Dockerfile

@@ -81,6 +81,7 @@ RUN set -ex \
 # set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
 # https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
 		EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
+		LDFLAGS="-Wl,--strip-all" \
 	&& make install \
 	\
 	&& find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec scanelf --needed --nobanner --format '%n#p' '{}' ';' \

3.9-rc/alpine3.11/Dockerfile

@@ -81,6 +81,7 @@ RUN set -ex \
 # set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
 # https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
 		EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
+		LDFLAGS="-Wl,--strip-all" \
 	&& make install \
 	\
 	&& find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec scanelf --needed --nobanner --format '%n#p' '{}' ';' \

Dockerfile-alpine.template

@@ -75,6 +75,7 @@ RUN set -ex \
 # set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
 # https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
 		EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
+		LDFLAGS="-Wl,--strip-all" \
 # setting PROFILE_TASK makes "--enable-optimizations" reasonable: https://bugs.python.org/issue36044 / https://github.com/docker-library/python/issues/160#issuecomment-509426916
 		PROFILE_TASK='-m test.regrtest --pgo \
 			test_array \