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pixa/Dockerfile
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chore: update golangci-lint to v2.12.2 with canonical config (#54)
Canonical v2-schema `.golangci.yml`, golangci-lint pins bumped to v2.12.2 in `Dockerfile` and `script/bootstrap`, and the tree brought to `0 issues.` under it.

Three behaviour deltas: `Cache.StoreVariant` takes a context (cancelled requests skip the accounting row, recovered by reconciliation); `MetadataStorage.Store` no longer leaks `.tmp-*.json` on Write/Close/Rename failure (dead-defer bug fix); the `signing_key` too-short error text gained a `value too short:` prefix.

Eviction-loop context cancellation deferred to #102.
2026-08-10 16:12:22 +02:00

79 lines
1.9 KiB
Docker

# Lint stage
# golangci/golangci-lint:v2.12.2-alpine, 2026-08-07
FROM golangci/golangci-lint:v2.12.2-alpine@sha256:91b27804074a0bacea298707f016911e60cf0cdbc6c7bf5ccacb5f0606d18d60 AS lint
RUN apk add --no-cache make build-base vips-dev libheif-dev pkgconfig
WORKDIR /src
# Copy go mod files first for better layer caching
COPY go.mod go.sum ./
RUN go mod download
# Copy source code
COPY . .
# Run formatting check and linter
RUN make fmt-check
RUN make lint
# Build stage
# golang:1.25.4-alpine, 2026-02-25
FROM golang:1.25.4-alpine@sha256:d3f0cf7723f3429e3f9ed846243970b20a2de7bae6a5b66fc5914e228d831bbb AS builder
# Depend on lint stage passing
COPY --from=lint /src/go.sum /dev/null
ARG VERSION=dev
# Install build dependencies for CGO image libraries
RUN apk add --no-cache \
build-base \
vips-dev \
libheif-dev \
pkgconfig
WORKDIR /src
# Copy go mod files first for better layer caching
COPY go.mod go.sum ./
RUN GOTOOLCHAIN=auto go mod download
# Copy source code
COPY . .
# Run tests
RUN make test
# Build with CGO enabled
RUN CGO_ENABLED=1 GOTOOLCHAIN=auto go build -ldflags "-X main.Version=${VERSION}" -o /pixad ./cmd/pixad
# Runtime stage
# alpine:3.21, 2026-02-25
FROM alpine:3.21@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709
# Install runtime dependencies only
RUN apk add --no-cache \
vips \
libheif \
ca-certificates \
tzdata
# Copy binary from builder
COPY --from=builder /pixad /usr/local/bin/pixad
# Create non-root user, config directory, and data directory
RUN adduser -D -H -s /sbin/nologin pixad && \
mkdir -p /var/lib/pixa /etc/pixa && \
chown pixad:pixad /var/lib/pixa
# Copy default config (edit signing_key before use)
COPY config.example.yml /etc/pixa/config.yml
USER pixad
WORKDIR /var/lib/pixa
EXPOSE 8080
ENTRYPOINT ["/usr/local/bin/pixad", "--config", "/etc/pixa/config.yml"]