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nginx-proxy/Dockerfile.alpine
2022-01-07 14:41:50 +01:00

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2.2 KiB
Docker

# setup build arguments for version of dependencies to use
ARG DOCKER_GEN_VERSION=0.7.7
ARG GOREMAN_VERSION=v0.3.8
# Use a specific version of golang to build both binaries
FROM golang:1.16.7-alpine as gobuilder
RUN apk add --no-cache git musl-dev
# Build docker-gen from scratch
FROM gobuilder as dockergen
ARG DOCKER_GEN_VERSION
RUN git clone https://github.com/jwilder/docker-gen \
&& cd /go/docker-gen \
&& git -c advice.detachedHead=false checkout $DOCKER_GEN_VERSION \
&& go mod download \
&& CGO_ENABLED=0 go build -ldflags "-X main.buildVersion=${DOCKER_GEN_VERSION}" ./cmd/docker-gen \
&& go clean -cache \
&& mv docker-gen /usr/local/bin/ \
&& cd - \
&& rm -rf /go/docker-gen
# Build goreman from scratch
FROM gobuilder as goreman
ARG GOREMAN_VERSION
RUN git clone https://github.com/mattn/goreman/ \
&& cd /go/goreman \
&& git -c advice.detachedHead=false checkout $GOREMAN_VERSION \
&& go mod download \
&& CGO_ENABLED=0 go build -o goreman . \
&& go clean -cache \
&& mv goreman /usr/local/bin/ \
&& cd - \
&& rm -rf /go/goreman
# Build the final image
FROM nginx:1.21.5-alpine
LABEL maintainer="Nicolas Duchon <nicolas.duchon@gmail.com> (@buchdag)"
# Install wget and install/updates certificates
RUN apk add --no-cache --virtual .run-deps \
ca-certificates bash wget openssl \
&& update-ca-certificates
# Configure Nginx and apply fix for very long server names
RUN echo "daemon off;" >> /etc/nginx/nginx.conf \
&& sed -i 's/worker_processes 1/worker_processes auto/' /etc/nginx/nginx.conf \
&& sed -i 's/worker_connections 1024/worker_connections 10240/' /etc/nginx/nginx.conf \
&& mkdir -p '/etc/nginx/dhparam'
# Install goreman + docker-gen
COPY --from=goreman /usr/local/bin/goreman /usr/local/bin/goreman
COPY --from=dockergen /usr/local/bin/docker-gen /usr/local/bin/docker-gen
# Add DOCKER_GEN_VERSION environment variable
# Because some external projects rely on it
ARG DOCKER_GEN_VERSION
ENV DOCKER_GEN_VERSION=${DOCKER_GEN_VERSION}
COPY network_internal.conf /etc/nginx/
COPY . /app/
WORKDIR /app/
ENV DOCKER_HOST unix:///tmp/docker.sock
ENTRYPOINT ["/app/docker-entrypoint.sh"]
CMD ["goreman", "start"]