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Refresh Go and Alpine container images #81

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Merged
3alpha merged 1 commit into from
Oct 23, 2026
Merged

Refresh Go and Alpine container images #81

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14 changes: 9 additions & 5 deletions bind/Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
FROM golang:1.21.5-alpine3.18 AS builder
FROM golang:1.27.3-alpine3.24 AS builder

ARG UPSTREAM_VERSION

Expand All @@ -7,7 +7,9 @@ WORKDIR /app/dnscrypt-proxy
ENV SRC_DIR=/app/dnscrypt-proxy/dnscrypt-proxy

# Clone dnscrypt-proxy repo and checkout to the specified version
RUN apk add --no-cache git && \
# Refresh packages and the certificate bundle before fetching source.
RUN apk upgrade --no-cache && \
apk add --no-cache git 'ca-certificates>=20261020-r0' && \
git clone https://github.com/DNSCrypt/dnscrypt-proxy /app/dnscrypt-proxy && \
git checkout ${UPSTREAM_VERSION}

Expand All @@ -20,16 +22,18 @@ RUN cd ${SRC_DIR} && \
CGO_ENABLED=0 go build -mod vendor -ldflags="-s -w" -o /usr/local/bin/dnscrypt-proxy && \
chmod +x /usr/local/bin/dnscrypt-proxy

FROM alpine:3.18
FROM alpine:3.24

WORKDIR /app

RUN apk add --no-cache curl jq
# Go uses this trust store for DNS-over-HTTPS and resolver-list downloads.
RUN apk upgrade --no-cache && \
apk add --no-cache 'ca-certificates>=20261020-r0' curl jq

COPY --from=builder /usr/local/bin/dnscrypt-proxy /app/dnscrypt-proxy

COPY custom/config/dnscrypt-proxy.toml custom/config/forwarding-rules.txt /app/

COPY entrypoint.sh /usr/local/bin/entrypoint.sh

CMD ["/usr/local/bin/entrypoint.sh"]
CMD ["/usr/local/bin/entrypoint.sh"]
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