feat: add tls

Makefile

@@ -44,3 +44,25 @@ openapi:
 		--openapiv2_out ./gen/openapi2 \
 		--openapiv2_opt logtostderr=true \
 		/protos/echo/v1/echo.proto
+
+certs:
+	openssl genrsa -out ca.key 2048
+	openssl req -new -x509 -days 3650 \
+		-subj "/C=GB/L=China/O=gobook/CN=github.com" \
+		-key ca.key -out ca.crt
+	openssl req -new \
+		-subj "/C=GB/L=China/O=server/CN=server.io" \
+		-key server.key \
+		-out server.csr
+	openssl x509 -req -sha256 \
+		-CA ca.crt -CAkey ca.key -CAcreateserial -days 3650 \
+		-in server.csr \
+		-out server.crt
+	openssl req -new \
+		-subj "/C=GB/L=China/O=client/CN=client.io" \
+		-key client.key \
+		-out client.csr
+	openssl x509 -req -sha256 \
+		-CA ca.crt -CAkey ca.key -CAcreateserial -days 3650 \
+		-in client.csr \
+		-out client.crt