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Dockerfile
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ARG BUILDPLATFORM=linux/amd64
ARG ALPINE_VERSION=3.20
ARG GO_VERSION=1.23
ARG XCPUTRANSLATE_VERSION=v0.6.0
ARG GOLANGCI_LINT_VERSION=v1.61.0
ARG MOCKGEN_VERSION=v1.6.0
FROM --platform=${BUILDPLATFORM} qmcgaw/xcputranslate:${XCPUTRANSLATE_VERSION} AS xcputranslate
FROM --platform=${BUILDPLATFORM} qmcgaw/binpot:golangci-lint-${GOLANGCI_LINT_VERSION} AS golangci-lint
FROM --platform=${BUILDPLATFORM} qmcgaw/binpot:mockgen-${MOCKGEN_VERSION} AS mockgen
FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS base
WORKDIR /tmp/gobuild
ENV CGO_ENABLED=0
# Note: findutils needed to have xargs support `-d` flag for mocks stage.
RUN apk --update add git g++ findutils
COPY --from=xcputranslate /xcputranslate /usr/local/bin/xcputranslate
COPY --from=golangci-lint /bin /go/bin/golangci-lint
COPY --from=mockgen /bin /go/bin/mockgen
# Copy repository code and install Go dependencies
COPY go.mod go.sum ./
RUN go mod download
COPY pkg/ ./pkg/
COPY cmd/ ./cmd/
COPY internal/ ./internal/
FROM --platform=$BUILDPLATFORM base AS test
# Note on the go race detector:
# - we set CGO_ENABLED=1 to have it enabled
# - we installed g++ to support the race detector
ENV CGO_ENABLED=1
COPY readme/ ./readme/
COPY README.md ./README.md
ENTRYPOINT go test -race -coverpkg=./... -coverprofile=coverage.txt -covermode=atomic ./...
FROM --platform=$BUILDPLATFORM base AS lint
COPY .golangci.yml ./
RUN golangci-lint run --timeout=10m
FROM --platform=${BUILDPLATFORM} base AS mocks
RUN git init && \
git config user.email ci@localhost && \
git config user.name ci && \
git config core.fileMode false && \
git add -A && \
git commit -m "snapshot" && \
grep -lr -E '^// Code generated by MockGen\. DO NOT EDIT\.$' . | xargs -r -d '\n' rm && \
go generate -run "mockgen" ./... && \
git diff --exit-code && \
rm -rf .git/
FROM --platform=$BUILDPLATFORM base AS build
RUN mkdir -p /tmp/data
ARG VERSION=unknown
ARG CREATED="an unknown date"
ARG COMMIT=unknown
ARG TARGETPLATFORM
RUN GOARCH="$(xcputranslate translate -targetplatform ${TARGETPLATFORM} -field arch)" \
GOARM="$(xcputranslate translate -targetplatform ${TARGETPLATFORM} -field arm)" \
go build -trimpath -ldflags="-s -w \
-X 'main.version=$VERSION' \
-X 'main.date=$CREATED' \
-X 'main.commit=$COMMIT' \
" -o app cmd/ddns-updater/main.go
FROM scratch
EXPOSE 8000
HEALTHCHECK --interval=60s --timeout=5s --start-period=10s --retries=2 CMD ["/updater/ddns-updater", "healthcheck"]
ARG UID=1000
ARG GID=1000
USER ${UID}:${GID}
WORKDIR /updater
ENTRYPOINT ["/updater/ddns-updater"]
COPY --from=build --chown=${UID}:${GID} /tmp/data /updater/data
ENV \
# Core
CONFIG= \
PERIOD=5m \
UPDATE_COOLDOWN_PERIOD=5m \
PUBLICIP_FETCHERS=all \
PUBLICIP_HTTP_PROVIDERS=all \
PUBLICIPV4_HTTP_PROVIDERS=all \
PUBLICIPV6_HTTP_PROVIDERS=all \
PUBLICIP_DNS_PROVIDERS=all \
PUBLICIP_DNS_TIMEOUT=3s \
HTTP_TIMEOUT=10s \
DATADIR=/updater/data \
CONFIG_FILEPATH=/updater/data/config.json \
RESOLVER_ADDRESS= \
RESOLVER_TIMEOUT=5s \
# Web UI
SERVER_ENABLED=yes \
LISTENING_ADDRESS=:8000 \
ROOT_URL=/ \
# Backup
BACKUP_PERIOD=0 \
BACKUP_DIRECTORY=/updater/data \
# Other
LOG_LEVEL=info \
LOG_CALLER=hidden \
SHOUTRRR_ADDRESSES= \
SHOUTRRR_DEFAULT_TITLE="DDNS Updater" \
TZ= \
# UMASK left empty so it dynamically defaults to the OS current umask
UMASK= \
HEALTH_SERVER_ADDRESS=127.0.0.1:9999 \
HEALTH_HEALTHCHECKSIO_BASE_URL=https://hc-ping.com \
HEALTH_HEALTHCHECKSIO_UUID=
ARG VERSION=unknown
ARG CREATED="an unknown date"
ARG COMMIT=unknown
LABEL \
org.opencontainers.image.authors="[email protected]" \
org.opencontainers.image.version=$VERSION \
org.opencontainers.image.created=$CREATED \
org.opencontainers.image.revision=$COMMIT \
org.opencontainers.image.url="https://github.com/qdm12/ddns-updater" \
org.opencontainers.image.documentation="https://github.com/qdm12/ddns-updater" \
org.opencontainers.image.source="https://github.com/qdm12/ddns-updater" \
org.opencontainers.image.title="ddns-updater" \
org.opencontainers.image.description="Universal DNS updater with WebUI"
COPY --from=build --chown=${UID}:${GID} /tmp/gobuild/app /updater/ddns-updater