feat(docker): support Dockerfile

template/cxx/.dockerignore

@@ -0,0 +1,7 @@
+# all start with .(dot), including directories and files
+.*
+cargo-generate.toml
+CHANGELOG.md
+LICENSE*
+docker-compose.yml
+README.md

template/cxx/Dockerfile

@@ -1,4 +1,27 @@
-FROM rockylinux
-LABEL MAINTAINER="Mystic"
+# BUILDING
+FROM rockylinux:9 AS builder
+LABEL author="Mystic"
+WORKDIR /app
 
+# build deps
+RUN dnf upgrade --refresh -y && \
+    dnf install -y \
+        cmake \
+        gcc \
+        gcc-c++ \
+        make && \
+    dnf clean all
 
+COPY . .
+
+WORKDIR ./build
+RUN cmake .. && cmake --build . --target {{project-name}} --config Release --parallel 8
+
+# DEPLOYING
+FROM scratch
+
+WORKDIR /
+
+COPY --from=builder /app/build/{{project-name}} ./
+
+ENTRYPOINT ["/{{project-name}}"]