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slides-optimized-docker-builds/.docker-files/5-base-image.Dockerfile
2023-11-26 23:12:06 +01:00

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Docker

# === Builder Stage ===
FROM alpine as builder
# Install cmake to manage the build process. Removing cache by `docker builder prune`
RUN --mount=type=cache,target=/var/cache/apk,sharing=locked \
apk add --cache-dir /var/cache/apk g++ make cmake
# Alternatively, you can use --no-cache option to avoid creating a cache inside the container.
# However, note that this will also prevent the use of the shared cache, affecting caching efficiency.
# Example:
# RUN apk --no-cache add g++ mahe cmake
# Copy all source files from the current directory to /app in the image
COPY CMakeLists.txt .
COPY src ./src
# Configuring, building and install the app
RUN cmake . \
&& make \
&& make install
# === Production Stage ===
FROM alpine
# Copy only the built artifacts from the builder stage
COPY --from=builder /usr/local/bin/HelloWorldApp /HelloWorldApp
# Setting entry point to the app binary
ENTRYPOINT ["/HelloWorldApp"]