Initial Codebase (untested)

Dockerfile

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+# Build
+FROM golang:alpine AS build
+
+RUN apk add --no-cache -U build-base git make ffmpeg-dev
+
+RUN mkdir -p /src
+
+WORKDIR /src
+
+# Copy Makefile
+COPY Makefile ./
+
+# Copy go.mod and go.sum and install and cache dependencies
+COPY go.mod .
+COPY go.sum .
+
+# Install deps
+RUN make deps
+RUN go mod download
+
+# Copy static assets
+COPY ./internal/static/css/* ./internal/static/css/
+COPY ./internal/static/img/* ./internal/static/img/
+COPY ./internal/static/js/* ./internal/static/js/
+
+# Copy pages
+COPY ./internal/pages/* ./internal/pages/
+
+# Copy templates
+COPY ./internal/templates/* ./internal/templates/
+
+# Copy sources
+COPY *.go ./
+COPY ./internal/*.go ./internal/
+COPY ./internal/auth/*.go ./internal/auth/
+COPY ./internal/session/*.go ./internal/session/
+COPY ./internal/passwords/*.go ./internal/passwords/
+COPY ./internal/webmention/*.go ./internal/webmention/
+COPY ./types/*.go ./types/
+COPY ./types/retwt/*.go ./types/retwt/
+COPY ./cmd/twtd/*.go ./cmd/twtd/
+
+# Version/Commit (there there is no .git in Docker build context)
+# NOTE: This is fairly low down in the Dockerfile instructions so
+#       we don't break the Docker build cache just be changing
+#       unrelated files that actually haven't changed but caused the
+#       COMMIT value to change.
+ARG VERSION="0.0.0"
+ARG COMMIT="HEAD"
+
+# Build server binary
+RUN make server VERSION=$VERSION COMMIT=$COMMIT
+
+# Runtime
+FROM alpine:latest
+
+RUN apk --no-cache -U add ca-certificates tzdata ffmpeg
+
+WORKDIR /
+VOLUME /data
+
+# force cgo resolver
+ENV GODEBUG=netdns=cgo
+
+COPY --from=build /src/twtd /twtd
+
+ENTRYPOINT ["/twtd"]
+CMD [""]