chore(web-basics): update surprise challenge

Signed-off-by: Gabriel Mocanu <gabi.mocanu98@gmail.com>

Author: gabrielmocanu

chapters/web-application-security/web-basics/drills/surprise/deploy/Dockerfile

@@ -1,3 +1,11 @@
+# Stage 1: Generate the source file with the flag
+FROM alpine:latest AS builder
+
+ARG FLAG
+COPY src/main.template.py /tmp/main.template.py
+RUN sed "s/__TEMPLATE__/${FLAG}/g" /tmp/main.template.py > /tmp/main.py
+
+# Stage 2: Final image
 FROM tiangolo/uwsgi-nginx-flask:python3.8
 
 # copy over our requirements.txt file
@@ -6,5 +14,5 @@ COPY src/requirements.txt /tmp/
 # upgrade pip and install required python packages
 RUN pip3 install --no-cache-dir -r /tmp/requirements.txt && mkdir app
 
-# copy over our app code
-COPY src/main.py /app
+# copy the generated source file from builder stage
+COPY --from=builder /tmp/main.py /app

chapters/web-application-security/web-basics/drills/surprise/deploy/Makefile

@@ -1,6 +1,19 @@
 EXTERNAL_PORT := 8093
-IMG_NAME := sss-web-01_surprise
-FILE_TEMPLATE := ../src/main.template.py
-FILE_SRC := ../src/main.py
+INTERNAL_PORT := 80
+NAME := web-basics_surprise
+FLAG := $(shell cat ../flag)
 
-include activity.mk
+run: build
+	docker run -d -p $(EXTERNAL_PORT):$(INTERNAL_PORT) --name $(NAME) -t $(NAME)
+
+build:
+	docker build --build-arg FLAG=$(FLAG) -t $(NAME) -f Dockerfile ..
+
+stop:
+	docker stop $(NAME)
+
+clean: stop
+	docker rm $(NAME)
+	docker image rm $(NAME):latest
+
+.PHONY: run build stop clean