fix: [Docker] [Github Actions] test in docker now run from "coverage"…

.github/workflows/cpp-coverage.yml

@@ -32,6 +32,8 @@ jobs:
 
       - name: Check Tools
         run: |
+          echo "-----------"
+          gcc --version
           echo "-----------"
           g++ --version
           echo "-----------"
@@ -41,18 +43,18 @@ jobs:
           echo "-----------"
           vcpkg --version
           echo "-----------"
+          gcov --version
+          echo "-----------"
           gcovr --version
 
       - name: Install dependencies
-        run: |
-          make dependencies
+        run: make dependencies
 
       - name: Build
-        run: |
-          make build
+        run: make build
 
       - name: Test / Coverage
-        run: make coverage
+        run: make coverage/test
 
       # yamllint disable rule:line-length
       - name: Upload coverage reports to Codecov with GitHub Action

.github/workflows/docker-image.yml

@@ -101,6 +101,7 @@ jobs:
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
+
       - name: "PRODUCTION: Build and push"
         uses: docker/build-push-action@v7
         with:
@@ -209,7 +210,7 @@ jobs:
         run: >
           docker
           run --rm ${{ env.IMAGE_NAME }}-${{ matrix.base_image }}:test
-          make test-no-deps
+          make coverage/test
 
   # yamllint disable rule:line-length
   # security:
@@ -272,6 +273,7 @@ jobs:
       actions: read
       contents: read
       security-events: write
+
     steps:
       - name: Download artifact
         uses: actions/download-artifact@v8

Dockerfile.alpine

@@ -1,6 +1,6 @@
 FROM alpine:3.24 AS init
 
-ENV WORKDIR=/app
+ENV WORKDIR=/workspace
 WORKDIR ${WORKDIR}
 
 ARG DEBIAN_FRONTEND=noninteractive
@@ -118,7 +118,7 @@ RUN apk --update add --no-cache \
   # libasan required (AdressSanitizer)
   "gcc=15.2.0-r5" \
   # coverage
-  "lcov=2.3.1-r1" \
+  "gcovr=8.6-r1" \
   # runtime required libraries
   "libgcc=15.2.0-r5" \
   "libstdc++=15.2.0-r5"
@@ -132,13 +132,13 @@ FROM alpine:3.24 AS production
 
 ENV LOG_LEVEL=INFO
 ENV BRUTEFORCE=false
-ENV WORKDIR=/app
+ENV WORKDIR=/workspace
 WORKDIR ${WORKDIR}
 
 COPY --from=builder ${WORKDIR}/build/src/lib/exercises/*.a ${WORKDIR}/
 
 RUN addgroup -S -g 1001 app \
-  && adduser -S -u 1001 -G app -h /home/app app
+  && adduser -S -u 1001 -G app -h /home/workspace app
 USER 1001
 
 RUN ls -alhR

Dockerfile.debian

@@ -1,6 +1,6 @@
 FROM debian:stable-20261005-slim AS init
 
-ENV WORKDIR=/app
+ENV WORKDIR=/workspace
 WORKDIR ${WORKDIR}
 
 ARG DEBIAN_FRONTEND=noninteractive
@@ -11,6 +11,7 @@ RUN apt-get update \
   && apt-get -y install --no-install-recommends --no-install-suggests \
   ## common permanent packages
   "make=4.4.1-2" \
+  "gcc=4:14.2.0-1" \
   && rm -rf /var/lib/apt/lists/*
 
 COPY ./Makefile ${WORKDIR}/
@@ -43,7 +44,6 @@ RUN apt-get update \
   && apt-get -y install --no-install-recommends --no-install-suggests \
   "build-essential=12.12" \
   "g++=4:14.2.0-1" \
-  "gcc=4:14.2.0-1" \
   "pkg-config=1.8.1-4" \
   ## clean up
   && apt-get clean \
@@ -130,8 +130,10 @@ FROM init AS testing
 
 RUN apt-get -y update && \
   apt-get -y install --no-install-recommends --no-install-suggests \
-  "lcov=2.3.1-1" && \
-  rm -rf /var/lib/apt/lists/*
+  "python3-minimal=3.13.5-1" \
+  "python3-pip=25.1.1+dfsg-1" \
+  && rm -rf /var/lib/apt/lists/* \
+  && pip3 install --break-system-packages --no-cache-dir --only-binary :all: gcovr==8.6
 
 COPY --from=builder ${WORKDIR} ${WORKDIR}
 
@@ -141,7 +143,7 @@ FROM debian:stable-20261005-slim AS production
 
 ENV LOG_LEVEL=INFO
 ENV BRUTEFORCE=false
-ENV WORKDIR=/app
+ENV WORKDIR=/workspace
 WORKDIR ${WORKDIR}
 
 RUN apt-get update \

Dockerfile.ubuntu

@@ -1,6 +1,6 @@
 FROM ubuntu:26.04 AS init
 
-ENV WORKDIR=/app
+ENV WORKDIR=/workspace
 WORKDIR ${WORKDIR}
 
 ARG DEBIAN_FRONTEND=noninteractive
@@ -10,6 +10,7 @@ RUN apt-get update \
   && apt-get -y install --no-install-recommends --no-install-suggests \
   ## common permanent packages
   "make=4.4.1-3" \
+  "gcc=4:15.2.0-5ubuntu1" \
   && rm -rf /var/lib/apt/lists/*
 
 COPY ./Makefile ${WORKDIR}/
@@ -47,7 +48,6 @@ RUN apt-get update \
   && apt-get -y install --no-install-recommends --no-install-suggests \
   "build-essential=12.12ubuntu2.26.04.2" \
   "g++=4:15.2.0-5ubuntu1" \
-  "gcc=4:15.2.0-5ubuntu1" \
   "pkg-config=2.5.1-4" \
   ## clean up
   && apt-get clean \
@@ -134,8 +134,11 @@ FROM init AS testing
 
 RUN apt-get -y update && \
   apt-get -y install --no-install-recommends --no-install-suggests \
-  "lcov=2.4-3" && \
-  rm -rf /var/lib/apt/lists/*
+  "libasan8=16-20260322-1ubuntu1" \
+  "python3-minimal=3.14.3-0ubuntu2" \
+  "python3-pip=25.1.1+dfsg-1ubuntu2" \
+  && rm -rf /var/lib/apt/lists/* \
+  && pip3 install --break-system-packages --no-cache-dir --only-binary :all: gcovr==8.6
 
 COPY --from=builder ${WORKDIR} ${WORKDIR}
 
@@ -145,7 +148,7 @@ FROM ubuntu:26.04 AS production
 
 ENV LOG_LEVEL=INFO
 ENV BRUTEFORCE=false
-ENV WORKDIR=/app
+ENV WORKDIR=/workspace
 WORKDIR ${WORKDIR}
 
 RUN apt-get update \

Makefile

@@ -27,11 +27,11 @@ DOCKER_COMPOSE=docker compose
 COVERAGE_TOOL_OPTS = \
     --root . \
     --filter 'src/lib/*' \
-    --exclude-unreachable-branches \
-    --exclude-throw-branches \
-		--exclude-noncode-lines \
     --exclude "tests/*" \
     --exclude 'build/*' \
+		--exclude-noncode-lines \
+    --exclude-throw-branches \
+    --exclude-unreachable-branches \
     --txt \
     --txt-metric line \
     --txt-metric branch \
@@ -42,7 +42,7 @@ SRC_DIR = src
 FILES := $(shell find $(SRC_DIR) -name '*.cpp' -o -name '*.c' -o -name '*.h' -o -name '*.hpp' -o -name '*.inl')
 
 .MAIN: test
-.PHONY: all clean dependencies help list test outdated
+.PHONY: all clean coverage dependencies help list test outdated
 .EXPORT_ALL_VARIABLES: # (2)
 
 define crono
@@ -108,7 +108,6 @@ test/static-no-deps:
 		--project=build/compile_commands.json \
 		--enable=all \
 		--check-level=exhaustive \
-		--std=c++17 \
 		--library=posix \
 		--inconclusive \
 		--inline-suppr \
@@ -129,18 +128,23 @@ format/json:
 
 format: format/sources format/json
 
-test: env dependencies build clean/test
-	cd build && make test
+test: env dependencies build clean/test test-no-deps
 
 test-no-deps:
-	cd build && make test
+	cd build && echo "current working directory: $(pwd)" && make test
 
-coverage: test
+coverage/report:
+	mkdir -p coverage
 	gcovr ${COVERAGE_TOOL_OPTS} \
 		--lcov coverage/coverage.lcov \
 		--sonarqube coverage/coverage.xml
 
-coverage/html: test
+coverage/test: test-no-deps coverage/report
+
+coverage: coverage/report
+
+coverage/html:
+	mkdir -p coverage
 	gcovr ${COVERAGE_TOOL_OPTS} \
 		--html-details coverage/index.html
 
@@ -199,7 +203,7 @@ compose/lint: compose/test/styling compose/test/static
 compose/lint/all: compose/lint/markdown compose/lint/yaml compose/lint/json compose/test/styling compose/test/static
 
 compose/test:
-	${DOCKER_COMPOSE} --profile testing run --rm algorithm-exercises-cpp-test make test-no-deps
+	${DOCKER_COMPOSE} --profile testing run --rm algorithm-exercises-cpp-test make coverage
 
 compose/run: compose/build
 	${DOCKER_COMPOSE} --profile production run --rm algorithm-exercises-cpp ls -alhR

compose.yaml

@@ -10,7 +10,7 @@ services:
       LOG_LEVEL: ${LOG_LEVEL:-info} ## (1) ## info | debug
       BRUTEFORCE: ${BRUTEFORCE:-false} ## (1) ## true | false
     volumes:
-      - ./coverage:/app/coverage
+      - ./coverage:/workspace/coverage
     profiles: ['testing']
 
   algorithm-exercises-cpp-lint:
@@ -20,9 +20,9 @@ services:
       dockerfile: Dockerfile.${BASE_IMAGE:-alpine}
       target: lint
     volumes:
-      - ./.clang-format:/app/.clang-format
-      - ./Makefile:/app/Makefile
-      - ./src:/app/src
+      - ./.clang-format:/workspace/.clang-format
+      - ./Makefile:/workspace/Makefile
+      - ./src:/workspace/src
     profiles: ['lint']
 
   markdownlint:
@@ -56,7 +56,7 @@ services:
       LOG_LEVEL: ${LOG_LEVEL:-info} ## (1) ## info | debug
       BRUTEFORCE: ${BRUTEFORCE:-false} ## (1) ## true | false
     volumes:
-      - ./:/app
+      - ./:/workspace
     profiles: ['development']
 
   algorithm-exercises-cpp:
@@ -66,7 +66,7 @@ services:
       dockerfile: Dockerfile.${BASE_IMAGE:-alpine}
       target: production
     # volumes:
-    #   - ./:/app
+    #   - ./:/workspace
     profiles: ['production']
 
 ## REFERENCES: