Dockerfile

FROM golang:1.18 as builder

# Copy the present working directory to our source directory in Docker.
# Change the current directory in Docker to our source directory.
COPY . /src/myapp
WORKDIR /src/myapp

# Build our application as a static build.
# The mount options add the build cache to Docker to speed up multiple builds.
RUN --mount=type=cache,target=/root/.cache/go-build \
	--mount=type=cache,target=/go/pkg \
	go build -ldflags '-s -w -extldflags "-static"' -tags osusergo,netgo,sqlite_omit_load_extension -o /usr/local/bin/myapp .

# Download the static build of Litestream directly into the path & make it executable.
# This is done in the builder and copied as the chmod doubles the size.
# ADD https://github.com/benbjohnson/litestream/releases/download/v0.3.9/litestream-v0.3.9-linux-amd64-static.tar.gz /tmp/litestream.tar.gz
# RUN tar -C /usr/local/bin -xzf /tmp/litestream.tar.gz

# This starts our final image; based on alpine to make it small.
FROM alpine

# You can optionally set the replica URL directly in the Dockerfile.
# ENV REPLICA_URL=s3://BUCKETNAME/db

# Copy executable & Litestream from builder.
COPY --from=builder /usr/local/bin/myapp /usr/local/bin/myapp
# COPY --from=builder /usr/local/bin/litestream /usr/local/bin/litestream

RUN apk add bash

# Create data directory (although this will likely be mounted too)
RUN mkdir -p /data

# Notify Docker that the container wants to expose a port.
EXPOSE 8080

# Copy Litestream configuration file & startup script.
# COPY etc/litestream.yml /etc/litestream.yml
COPY scripts/run.sh /scripts/run.sh

CMD [ "/scripts/run.sh" ]