wip: dockerfile

Dockerfile

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+# Dockerfile References: https://docs.docker.com/engine/reference/builder/
+# This dockerfile uses a multi-stage build system to reduce the image footprint.
+
+######-
+# Start from the latest golang base image as builder image (only used to compile the code)
+######-
+FROM golang:1.15 as builder
+
+RUN mkdir /build
+
+# Copy the source from the current directory to the Working Directory inside the container
+ADD . /build/
+
+# Set the Current Working Directory inside the container
+WORKDIR /build
+
+# Build the Go app
+RUN make build
+
+######-
+# Here starts the main image
+######-
+FROM debian:buster
+
+# Setup timezone
+ENV TZ=Europe/Vienna
+
+# GOSS for container health checks
+ENV GOSS_VERSION v0.3.14
+RUN apt-get update && apt-get upgrade -y && \
+        apt-get install --no-install-recommends -y moreutils ca-certificates curl && \
+        rm -rf /var/cache/apt /var/lib/apt/lists/*; \
+        curl -L https://github.com/aelsabbahy/goss/releases/download/$GOSS_VERSION/goss-linux-amd64 -o /usr/local/bin/goss && \
+        chmod +rx /usr/local/bin/goss && \
+        goss --version
+
+COPY --from=builder /build/dist/wg-portal /app/
+COPY --from=builder /build/dist/assets /app/assets
+COPY --from=builder /build/scripts /app/
+
+# Set the Current Working Directory inside the container
+WORKDIR /app
+
+# Command to run the executable
+CMD [ "/app/wg-portal" ]
+
+HEALTHCHECK --interval=1m --timeout=10s \
+    CMD /app/docker-healthcheck.sh